Home / 40,026.97-55,238.25-22,122.19

Finding the Fourth Proportional to 40,026.97, 55,238.25 and 22,122.19

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Solution

The fourth proportional to 40,026.97, 55,238.25 and 22,122.19 is: 30,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.97 : 55,238.25 = 22,122.19 : x
  2. Step 2: Convert to fraction form
    40,026.97/55,238.25 = 22,122.19/x
  3. Step 3: Cross multiply
    40,026.97x = 55,238.25 × 22,122.19
  4. Step 4: Simplify right side
    40,026.97x = 1,221,991,061.77
  5. Step 5: Solve for x
    x = 1,221,991,061.77/40,026.97
  6. Step 6: Final answer
    x = 30,529.19

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Half scale
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Double scale
Find fourth proportional to 40,027.97, 55,239.63 and 22,123.19
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.