Home / 36,534.08-54,767.92-13,155.20

Finding the Fourth Proportional to 36,534.08, 54,767.92 and 13,155.20

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Solution

The fourth proportional to 36,534.08, 54,767.92 and 13,155.20 is: 19,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,534.08 : 54,767.92 = 13,155.20 : x
  2. Step 2: Convert to fraction form
    36,534.08/54,767.92 = 13,155.20/x
  3. Step 3: Cross multiply
    36,534.08x = 54,767.92 × 13,155.20
  4. Step 4: Simplify right side
    36,534.08x = 720,482,941.18
  5. Step 5: Solve for x
    x = 720,482,941.18/36,534.08
  6. Step 6: Final answer
    x = 19,720.85

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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.