Home / 38,431.29-57,264.89-34,239.08

Finding the Fourth Proportional to 38,431.29, 57,264.89 and 34,239.08

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Solution

The fourth proportional to 38,431.29, 57,264.89 and 34,239.08 is: 51,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.29 : 57,264.89 = 34,239.08 : x
  2. Step 2: Convert to fraction form
    38,431.29/57,264.89 = 34,239.08/x
  3. Step 3: Cross multiply
    38,431.29x = 57,264.89 × 34,239.08
  4. Step 4: Simplify right side
    38,431.29x = 1,960,696,692.38
  5. Step 5: Solve for x
    x = 1,960,696,692.38/38,431.29
  6. Step 6: Final answer
    x = 51,018.24

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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.