Home / 42,639.27-58,840-23,772.75

Finding the Fourth Proportional to 42,639.27, 58,840 and 23,772.75

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Solution

The fourth proportional to 42,639.27, 58,840 and 23,772.75 is: 32,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.27 : 58,840 = 23,772.75 : x
  2. Step 2: Convert to fraction form
    42,639.27/58,840 = 23,772.75/x
  3. Step 3: Cross multiply
    42,639.27x = 58,840 × 23,772.75
  4. Step 4: Simplify right side
    42,639.27x = 1,398,788,610
  5. Step 5: Solve for x
    x = 1,398,788,610/42,639.27
  6. Step 6: Final answer
    x = 32,805.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.