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Finding the Fourth Proportional to 36,715.59, 55,073.44 and 9,013.59

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Solution

The fourth proportional to 36,715.59, 55,073.44 and 9,013.59 is: 13,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.59 : 55,073.44 = 9,013.59 : x
  2. Step 2: Convert to fraction form
    36,715.59/55,073.44 = 9,013.59/x
  3. Step 3: Cross multiply
    36,715.59x = 55,073.44 × 9,013.59
  4. Step 4: Simplify right side
    36,715.59x = 496,409,385.52
  5. Step 5: Solve for x
    x = 496,409,385.52/36,715.59
  6. Step 6: Final answer
    x = 13,520.40

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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.