Home / 53,275.20-79,912.80-29,898.60

Finding the Fourth Proportional to 53,275.20, 79,912.80 and 29,898.60

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Solution

The fourth proportional to 53,275.20, 79,912.80 and 29,898.60 is: 44,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,275.20 : 79,912.80 = 29,898.60 : x
  2. Step 2: Convert to fraction form
    53,275.20/79,912.80 = 29,898.60/x
  3. Step 3: Cross multiply
    53,275.20x = 79,912.80 × 29,898.60
  4. Step 4: Simplify right side
    53,275.20x = 2,389,280,842.08
  5. Step 5: Solve for x
    x = 2,389,280,842.08/53,275.20
  6. Step 6: Final answer
    x = 44,847.90

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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.