Home / 40,039.28-60,041.80-13,746.68

Finding the Fourth Proportional to 40,039.28, 60,041.80 and 13,746.68

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Solution

The fourth proportional to 40,039.28, 60,041.80 and 13,746.68 is: 20,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.28 : 60,041.80 = 13,746.68 : x
  2. Step 2: Convert to fraction form
    40,039.28/60,041.80 = 13,746.68/x
  3. Step 3: Cross multiply
    40,039.28x = 60,041.80 × 13,746.68
  4. Step 4: Simplify right side
    40,039.28x = 825,375,411.22
  5. Step 5: Solve for x
    x = 825,375,411.22/40,039.28
  6. Step 6: Final answer
    x = 20,614.14

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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.