Home / 39,275.82-54,187.38-22,278.24

Finding the Fourth Proportional to 39,275.82, 54,187.38 and 22,278.24

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Solution

The fourth proportional to 39,275.82, 54,187.38 and 22,278.24 is: 30,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,275.82 : 54,187.38 = 22,278.24 : x
  2. Step 2: Convert to fraction form
    39,275.82/54,187.38 = 22,278.24/x
  3. Step 3: Cross multiply
    39,275.82x = 54,187.38 × 22,278.24
  4. Step 4: Simplify right side
    39,275.82x = 1,207,199,456.61
  5. Step 5: Solve for x
    x = 1,207,199,456.61/39,275.82
  6. Step 6: Final answer
    x = 30,736.45

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Half scale
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Double scale
Find fourth proportional to 39,276.82, 54,188.76 and 22,279.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.