Home / 40,532-60,748.08-28,781.60

Finding the Fourth Proportional to 40,532, 60,748.08 and 28,781.60

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Solution

The fourth proportional to 40,532, 60,748.08 and 28,781.60 is: 43,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,532 : 60,748.08 = 28,781.60 : x
  2. Step 2: Convert to fraction form
    40,532/60,748.08 = 28,781.60/x
  3. Step 3: Cross multiply
    40,532x = 60,748.08 × 28,781.60
  4. Step 4: Simplify right side
    40,532x = 1,748,426,939.33
  5. Step 5: Solve for x
    x = 1,748,426,939.33/40,532
  6. Step 6: Final answer
    x = 43,136.95

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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.