Home / 45,193.60-67,765.76-13,599.04

Finding the Fourth Proportional to 45,193.60, 67,765.76 and 13,599.04

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Solution

The fourth proportional to 45,193.60, 67,765.76 and 13,599.04 is: 20,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,193.60 : 67,765.76 = 13,599.04 : x
  2. Step 2: Convert to fraction form
    45,193.60/67,765.76 = 13,599.04/x
  3. Step 3: Cross multiply
    45,193.60x = 67,765.76 × 13,599.04
  4. Step 4: Simplify right side
    45,193.60x = 921,549,280.87
  5. Step 5: Solve for x
    x = 921,549,280.87/45,193.60
  6. Step 6: Final answer
    x = 20,391.15

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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.