Home / 40,709.86-61,158.34-28,892.97

Finding the Fourth Proportional to 40,709.86, 61,158.34 and 28,892.97

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Solution

The fourth proportional to 40,709.86, 61,158.34 and 28,892.97 is: 43,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,709.86 : 61,158.34 = 28,892.97 : x
  2. Step 2: Convert to fraction form
    40,709.86/61,158.34 = 28,892.97/x
  3. Step 3: Cross multiply
    40,709.86x = 61,158.34 × 28,892.97
  4. Step 4: Simplify right side
    40,709.86x = 1,767,046,082.87
  5. Step 5: Solve for x
    x = 1,767,046,082.87/40,709.86
  6. Step 6: Final answer
    x = 43,405.86

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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.