Home / 51,534.28-77,652.47-42,379.36

Finding the Fourth Proportional to 51,534.28, 77,652.47 and 42,379.36

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Solution

The fourth proportional to 51,534.28, 77,652.47 and 42,379.36 is: 63,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.28 : 77,652.47 = 42,379.36 : x
  2. Step 2: Convert to fraction form
    51,534.28/77,652.47 = 42,379.36/x
  3. Step 3: Cross multiply
    51,534.28x = 77,652.47 × 42,379.36
  4. Step 4: Simplify right side
    51,534.28x = 3,290,861,981.02
  5. Step 5: Solve for x
    x = 3,290,861,981.02/51,534.28
  6. Step 6: Final answer
    x = 63,857.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.