Home / 40,388.52-60,578.46-14,093.76

Finding the Fourth Proportional to 40,388.52, 60,578.46 and 14,093.76

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Solution

The fourth proportional to 40,388.52, 60,578.46 and 14,093.76 is: 21,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.52 : 60,578.46 = 14,093.76 : x
  2. Step 2: Convert to fraction form
    40,388.52/60,578.46 = 14,093.76/x
  3. Step 3: Cross multiply
    40,388.52x = 60,578.46 × 14,093.76
  4. Step 4: Simplify right side
    40,388.52x = 853,778,276.41
  5. Step 5: Solve for x
    x = 853,778,276.41/40,388.52
  6. Step 6: Final answer
    x = 21,139.13

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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.