Home / 48,493.14-72,739.70-13,432.80

Finding the Fourth Proportional to 48,493.14, 72,739.70 and 13,432.80

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Solution

The fourth proportional to 48,493.14, 72,739.70 and 13,432.80 is: 20,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.14 : 72,739.70 = 13,432.80 : x
  2. Step 2: Convert to fraction form
    48,493.14/72,739.70 = 13,432.80/x
  3. Step 3: Cross multiply
    48,493.14x = 72,739.70 × 13,432.80
  4. Step 4: Simplify right side
    48,493.14x = 977,097,842.16
  5. Step 5: Solve for x
    x = 977,097,842.16/48,493.14
  6. Step 6: Final answer
    x = 20,149.20

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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.