Home / 53,723.60-80,506.20-38,963.60

Finding the Fourth Proportional to 53,723.60, 80,506.20 and 38,963.60

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Solution

The fourth proportional to 53,723.60, 80,506.20 and 38,963.60 is: 58,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.60 : 80,506.20 = 38,963.60 : x
  2. Step 2: Convert to fraction form
    53,723.60/80,506.20 = 38,963.60/x
  3. Step 3: Cross multiply
    53,723.60x = 80,506.20 × 38,963.60
  4. Step 4: Simplify right side
    53,723.60x = 3,136,811,374.32
  5. Step 5: Solve for x
    x = 3,136,811,374.32/53,723.60
  6. Step 6: Final answer
    x = 58,387.96

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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.