Home / 40,152.14-60,237.78-13,857.11

Finding the Fourth Proportional to 40,152.14, 60,237.78 and 13,857.11

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Solution

The fourth proportional to 40,152.14, 60,237.78 and 13,857.11 is: 20,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.14 : 60,237.78 = 13,857.11 : x
  2. Step 2: Convert to fraction form
    40,152.14/60,237.78 = 13,857.11/x
  3. Step 3: Cross multiply
    40,152.14x = 60,237.78 × 13,857.11
  4. Step 4: Simplify right side
    40,152.14x = 834,721,543.62
  5. Step 5: Solve for x
    x = 834,721,543.62/40,152.14
  6. Step 6: Final answer
    x = 20,788.97

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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.