Home / 36,349.92-54,534.72-12,978.24

Finding the Fourth Proportional to 36,349.92, 54,534.72 and 12,978.24

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Solution

The fourth proportional to 36,349.92, 54,534.72 and 12,978.24 is: 19,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,349.92 : 54,534.72 = 12,978.24 : x
  2. Step 2: Convert to fraction form
    36,349.92/54,534.72 = 12,978.24/x
  3. Step 3: Cross multiply
    36,349.92x = 54,534.72 × 12,978.24
  4. Step 4: Simplify right side
    36,349.92x = 707,764,684.49
  5. Step 5: Solve for x
    x = 707,764,684.49/36,349.92
  6. Step 6: Final answer
    x = 19,470.87

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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.