Home / 42,980.28-59,297.58-28,084.92

Finding the Fourth Proportional to 42,980.28, 59,297.58 and 28,084.92

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Solution

The fourth proportional to 42,980.28, 59,297.58 and 28,084.92 is: 38,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,980.28 : 59,297.58 = 28,084.92 : x
  2. Step 2: Convert to fraction form
    42,980.28/59,297.58 = 28,084.92/x
  3. Step 3: Cross multiply
    42,980.28x = 59,297.58 × 28,084.92
  4. Step 4: Simplify right side
    42,980.28x = 1,665,367,790.49
  5. Step 5: Solve for x
    x = 1,665,367,790.49/42,980.28
  6. Step 6: Final answer
    x = 38,747.25

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Similar ratio
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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.