Home / 40,221.66-60,332.49-12,521.82

Finding the Fourth Proportional to 40,221.66, 60,332.49 and 12,521.82

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Solution

The fourth proportional to 40,221.66, 60,332.49 and 12,521.82 is: 18,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.66 : 60,332.49 = 12,521.82 : x
  2. Step 2: Convert to fraction form
    40,221.66/60,332.49 = 12,521.82/x
  3. Step 3: Cross multiply
    40,221.66x = 60,332.49 × 12,521.82
  4. Step 4: Simplify right side
    40,221.66x = 755,472,579.93
  5. Step 5: Solve for x
    x = 755,472,579.93/40,221.66
  6. Step 6: Final answer
    x = 18,782.73

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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.