Home / 42,640.17-63,940.82-25,115.01

Finding the Fourth Proportional to 42,640.17, 63,940.82 and 25,115.01

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Solution

The fourth proportional to 42,640.17, 63,940.82 and 25,115.01 is: 37,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.17 : 63,940.82 = 25,115.01 : x
  2. Step 2: Convert to fraction form
    42,640.17/63,940.82 = 25,115.01/x
  3. Step 3: Cross multiply
    42,640.17x = 63,940.82 × 25,115.01
  4. Step 4: Simplify right side
    42,640.17x = 1,605,874,208.13
  5. Step 5: Solve for x
    x = 1,605,874,208.13/42,640.17
  6. Step 6: Final answer
    x = 37,661.06

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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.