Home / 40,406.28-60,619.20-13,752

Finding the Fourth Proportional to 40,406.28, 60,619.20 and 13,752

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Solution

The fourth proportional to 40,406.28, 60,619.20 and 13,752 is: 20,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406.28 : 60,619.20 = 13,752 : x
  2. Step 2: Convert to fraction form
    40,406.28/60,619.20 = 13,752/x
  3. Step 3: Cross multiply
    40,406.28x = 60,619.20 × 13,752
  4. Step 4: Simplify right side
    40,406.28x = 833,635,238.40
  5. Step 5: Solve for x
    x = 833,635,238.40/40,406.28
  6. Step 6: Final answer
    x = 20,631.33

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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.