Home / 36,663.60-54,995.40-13,280.52

Finding the Fourth Proportional to 36,663.60, 54,995.40 and 13,280.52

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Solution

The fourth proportional to 36,663.60, 54,995.40 and 13,280.52 is: 19,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,663.60 : 54,995.40 = 13,280.52 : x
  2. Step 2: Convert to fraction form
    36,663.60/54,995.40 = 13,280.52/x
  3. Step 3: Cross multiply
    36,663.60x = 54,995.40 × 13,280.52
  4. Step 4: Simplify right side
    36,663.60x = 730,367,509.61
  5. Step 5: Solve for x
    x = 730,367,509.61/36,663.60
  6. Step 6: Final answer
    x = 19,920.78

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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.