Home / 38,778.48-53,507.52-22,008.24

Finding the Fourth Proportional to 38,778.48, 53,507.52 and 22,008.24

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Solution

The fourth proportional to 38,778.48, 53,507.52 and 22,008.24 is: 30,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.48 : 53,507.52 = 22,008.24 : x
  2. Step 2: Convert to fraction form
    38,778.48/53,507.52 = 22,008.24/x
  3. Step 3: Cross multiply
    38,778.48x = 53,507.52 × 22,008.24
  4. Step 4: Simplify right side
    38,778.48x = 1,177,606,341.96
  5. Step 5: Solve for x
    x = 1,177,606,341.96/38,778.48
  6. Step 6: Final answer
    x = 30,367.52

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Half scale
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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.