Home / 82,285.27-123,427.91-19,955.77

Finding the Fourth Proportional to 82,285.27, 123,427.91 and 19,955.77

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Solution

The fourth proportional to 82,285.27, 123,427.91 and 19,955.77 is: 29,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,285.27 : 123,427.91 = 19,955.77 : x
  2. Step 2: Convert to fraction form
    82,285.27/123,427.91 = 19,955.77/x
  3. Step 3: Cross multiply
    82,285.27x = 123,427.91 × 19,955.77
  4. Step 4: Simplify right side
    82,285.27x = 2,463,098,724.86
  5. Step 5: Solve for x
    x = 2,463,098,724.86/82,285.27
  6. Step 6: Final answer
    x = 29,933.65

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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.