Home / 51,332.40-76,998.60-48,481.20

Finding the Fourth Proportional to 51,332.40, 76,998.60 and 48,481.20

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Solution

The fourth proportional to 51,332.40, 76,998.60 and 48,481.20 is: 72,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.40 : 76,998.60 = 48,481.20 : x
  2. Step 2: Convert to fraction form
    51,332.40/76,998.60 = 48,481.20/x
  3. Step 3: Cross multiply
    51,332.40x = 76,998.60 × 48,481.20
  4. Step 4: Simplify right side
    51,332.40x = 3,732,984,526.32
  5. Step 5: Solve for x
    x = 3,732,984,526.32/51,332.40
  6. Step 6: Final answer
    x = 72,721.80

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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.