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Finding the Fourth Proportional to 53,613.60, 80,266.80 and 32,877.60

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Solution

The fourth proportional to 53,613.60, 80,266.80 and 32,877.60 is: 49,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.60 : 80,266.80 = 32,877.60 : x
  2. Step 2: Convert to fraction form
    53,613.60/80,266.80 = 32,877.60/x
  3. Step 3: Cross multiply
    53,613.60x = 80,266.80 × 32,877.60
  4. Step 4: Simplify right side
    53,613.60x = 2,638,979,743.68
  5. Step 5: Solve for x
    x = 2,638,979,743.68/53,613.60
  6. Step 6: Final answer
    x = 49,222.21

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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.