Home / 42,411.55-63,617.33-25,804.15

Finding the Fourth Proportional to 42,411.55, 63,617.33 and 25,804.15

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Solution

The fourth proportional to 42,411.55, 63,617.33 and 25,804.15 is: 38,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,411.55 : 63,617.33 = 25,804.15 : x
  2. Step 2: Convert to fraction form
    42,411.55/63,617.33 = 25,804.15/x
  3. Step 3: Cross multiply
    42,411.55x = 63,617.33 × 25,804.15
  4. Step 4: Simplify right side
    42,411.55x = 1,641,590,996.90
  5. Step 5: Solve for x
    x = 1,641,590,996.90/42,411.55
  6. Step 6: Final answer
    x = 38,706.23

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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.