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Finding the Fourth Proportional to 60,352.80, 90,529.20 and 37,899.60

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Solution

The fourth proportional to 60,352.80, 90,529.20 and 37,899.60 is: 56,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,352.80 : 90,529.20 = 37,899.60 : x
  2. Step 2: Convert to fraction form
    60,352.80/90,529.20 = 37,899.60/x
  3. Step 3: Cross multiply
    60,352.80x = 90,529.20 × 37,899.60
  4. Step 4: Simplify right side
    60,352.80x = 3,431,020,468.32
  5. Step 5: Solve for x
    x = 3,431,020,468.32/60,352.80
  6. Step 6: Final answer
    x = 56,849.40

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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.