Home / 40,479.48-60,726.51-19,401.66

Finding the Fourth Proportional to 40,479.48, 60,726.51 and 19,401.66

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Solution

The fourth proportional to 40,479.48, 60,726.51 and 19,401.66 is: 29,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.48 : 60,726.51 = 19,401.66 : x
  2. Step 2: Convert to fraction form
    40,479.48/60,726.51 = 19,401.66/x
  3. Step 3: Cross multiply
    40,479.48x = 60,726.51 × 19,401.66
  4. Step 4: Simplify right side
    40,479.48x = 1,178,195,100.01
  5. Step 5: Solve for x
    x = 1,178,195,100.01/40,479.48
  6. Step 6: Final answer
    x = 29,105.98

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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.