Home / 60,320.72-90,481.08-18,759.44

Finding the Fourth Proportional to 60,320.72, 90,481.08 and 18,759.44

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Solution

The fourth proportional to 60,320.72, 90,481.08 and 18,759.44 is: 28,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,320.72 : 90,481.08 = 18,759.44 : x
  2. Step 2: Convert to fraction form
    60,320.72/90,481.08 = 18,759.44/x
  3. Step 3: Cross multiply
    60,320.72x = 90,481.08 × 18,759.44
  4. Step 4: Simplify right side
    60,320.72x = 1,697,374,391.40
  5. Step 5: Solve for x
    x = 1,697,374,391.40/60,320.72
  6. Step 6: Final answer
    x = 28,139.16

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Similar ratio
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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.