Home / 38,381.40-57,302.21-29,328.13

Finding the Fourth Proportional to 38,381.40, 57,302.21 and 29,328.13

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Solution

The fourth proportional to 38,381.40, 57,302.21 and 29,328.13 is: 43,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381.40 : 57,302.21 = 29,328.13 : x
  2. Step 2: Convert to fraction form
    38,381.40/57,302.21 = 29,328.13/x
  3. Step 3: Cross multiply
    38,381.40x = 57,302.21 × 29,328.13
  4. Step 4: Simplify right side
    38,381.40x = 1,680,566,664.17
  5. Step 5: Solve for x
    x = 1,680,566,664.17/38,381.40
  6. Step 6: Final answer
    x = 43,785.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.