Home / 36,209.28-54,320.85-12,515.97

Finding the Fourth Proportional to 36,209.28, 54,320.85 and 12,515.97

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Solution

The fourth proportional to 36,209.28, 54,320.85 and 12,515.97 is: 18,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.28 : 54,320.85 = 12,515.97 : x
  2. Step 2: Convert to fraction form
    36,209.28/54,320.85 = 12,515.97/x
  3. Step 3: Cross multiply
    36,209.28x = 54,320.85 × 12,515.97
  4. Step 4: Simplify right side
    36,209.28x = 679,878,128.97
  5. Step 5: Solve for x
    x = 679,878,128.97/36,209.28
  6. Step 6: Final answer
    x = 18,776.35

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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.