Home / 36,471.52-54,711.60-12,771.82

Finding the Fourth Proportional to 36,471.52, 54,711.60 and 12,771.82

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Solution

The fourth proportional to 36,471.52, 54,711.60 and 12,771.82 is: 19,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.52 : 54,711.60 = 12,771.82 : x
  2. Step 2: Convert to fraction form
    36,471.52/54,711.60 = 12,771.82/x
  3. Step 3: Cross multiply
    36,471.52x = 54,711.60 × 12,771.82
  4. Step 4: Simplify right side
    36,471.52x = 698,766,707.11
  5. Step 5: Solve for x
    x = 698,766,707.11/36,471.52
  6. Step 6: Final answer
    x = 19,159.24

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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.