Home / 42,033.30-63,082.29-31,386.25

Finding the Fourth Proportional to 42,033.30, 63,082.29 and 31,386.25

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Solution

The fourth proportional to 42,033.30, 63,082.29 and 31,386.25 is: 47,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033.30 : 63,082.29 = 31,386.25 : x
  2. Step 2: Convert to fraction form
    42,033.30/63,082.29 = 31,386.25/x
  3. Step 3: Cross multiply
    42,033.30x = 63,082.29 × 31,386.25
  4. Step 4: Simplify right side
    42,033.30x = 1,979,916,721.06
  5. Step 5: Solve for x
    x = 1,979,916,721.06/42,033.30
  6. Step 6: Final answer
    x = 47,103.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.