Home / 40,401.36-60,605.28-14,105.52

Finding the Fourth Proportional to 40,401.36, 60,605.28 and 14,105.52

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Solution

The fourth proportional to 40,401.36, 60,605.28 and 14,105.52 is: 21,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.36 : 60,605.28 = 14,105.52 : x
  2. Step 2: Convert to fraction form
    40,401.36/60,605.28 = 14,105.52/x
  3. Step 3: Cross multiply
    40,401.36x = 60,605.28 × 14,105.52
  4. Step 4: Simplify right side
    40,401.36x = 854,868,989.15
  5. Step 5: Solve for x
    x = 854,868,989.15/40,401.36
  6. Step 6: Final answer
    x = 21,159.41

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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.