Home / 40,390.52-60,491.73-38,989.22

Finding the Fourth Proportional to 40,390.52, 60,491.73 and 38,989.22

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Solution

The fourth proportional to 40,390.52, 60,491.73 and 38,989.22 is: 58,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.52 : 60,491.73 = 38,989.22 : x
  2. Step 2: Convert to fraction form
    40,390.52/60,491.73 = 38,989.22/x
  3. Step 3: Cross multiply
    40,390.52x = 60,491.73 × 38,989.22
  4. Step 4: Simplify right side
    40,390.52x = 2,358,525,369.15
  5. Step 5: Solve for x
    x = 2,358,525,369.15/40,390.52
  6. Step 6: Final answer
    x = 58,393.04

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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.