Home / 48,212.40-72,315.90-14,932.20

Finding the Fourth Proportional to 48,212.40, 72,315.90 and 14,932.20

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Solution

The fourth proportional to 48,212.40, 72,315.90 and 14,932.20 is: 22,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.40 : 72,315.90 = 14,932.20 : x
  2. Step 2: Convert to fraction form
    48,212.40/72,315.90 = 14,932.20/x
  3. Step 3: Cross multiply
    48,212.40x = 72,315.90 × 14,932.20
  4. Step 4: Simplify right side
    48,212.40x = 1,079,835,481.98
  5. Step 5: Solve for x
    x = 1,079,835,481.98/48,212.40
  6. Step 6: Final answer
    x = 22,397.46

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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.