Home / 42,574.38-63,861.57-12,992.37

Finding the Fourth Proportional to 42,574.38, 63,861.57 and 12,992.37

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Solution

The fourth proportional to 42,574.38, 63,861.57 and 12,992.37 is: 19,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574.38 : 63,861.57 = 12,992.37 : x
  2. Step 2: Convert to fraction form
    42,574.38/63,861.57 = 12,992.37/x
  3. Step 3: Cross multiply
    42,574.38x = 63,861.57 × 12,992.37
  4. Step 4: Simplify right side
    42,574.38x = 829,713,146.22
  5. Step 5: Solve for x
    x = 829,713,146.22/42,574.38
  6. Step 6: Final answer
    x = 19,488.56

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Similar ratio
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1.5x scale

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.