Home / 40,732.08-61,098.18-11,148.72

Finding the Fourth Proportional to 40,732.08, 61,098.18 and 11,148.72

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Solution

The fourth proportional to 40,732.08, 61,098.18 and 11,148.72 is: 16,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.08 : 61,098.18 = 11,148.72 : x
  2. Step 2: Convert to fraction form
    40,732.08/61,098.18 = 11,148.72/x
  3. Step 3: Cross multiply
    40,732.08x = 61,098.18 × 11,148.72
  4. Step 4: Simplify right side
    40,732.08x = 681,166,501.33
  5. Step 5: Solve for x
    x = 681,166,501.33/40,732.08
  6. Step 6: Final answer
    x = 16,723.10

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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.