Home / 42,839.75-59,110.65-27,730.31

Finding the Fourth Proportional to 42,839.75, 59,110.65 and 27,730.31

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Solution

The fourth proportional to 42,839.75, 59,110.65 and 27,730.31 is: 38,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,839.75 : 59,110.65 = 27,730.31 : x
  2. Step 2: Convert to fraction form
    42,839.75/59,110.65 = 27,730.31/x
  3. Step 3: Cross multiply
    42,839.75x = 59,110.65 × 27,730.31
  4. Step 4: Simplify right side
    42,839.75x = 1,639,156,353.25
  5. Step 5: Solve for x
    x = 1,639,156,353.25/42,839.75
  6. Step 6: Final answer
    x = 38,262.51

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1.5x scale

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.