Home / 40,102.32-60,134.52-12,011.52

Finding the Fourth Proportional to 40,102.32, 60,134.52 and 12,011.52

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Solution

The fourth proportional to 40,102.32, 60,134.52 and 12,011.52 is: 18,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.32 : 60,134.52 = 12,011.52 : x
  2. Step 2: Convert to fraction form
    40,102.32/60,134.52 = 12,011.52/x
  3. Step 3: Cross multiply
    40,102.32x = 60,134.52 × 12,011.52
  4. Step 4: Simplify right side
    40,102.32x = 722,306,989.67
  5. Step 5: Solve for x
    x = 722,306,989.67/40,102.32
  6. Step 6: Final answer
    x = 18,011.60

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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.