Home / 40,397.88-60,606.44-20,358.13

Finding the Fourth Proportional to 40,397.88, 60,606.44 and 20,358.13

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Solution

The fourth proportional to 40,397.88, 60,606.44 and 20,358.13 is: 30,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.88 : 60,606.44 = 20,358.13 : x
  2. Step 2: Convert to fraction form
    40,397.88/60,606.44 = 20,358.13/x
  3. Step 3: Cross multiply
    40,397.88x = 60,606.44 × 20,358.13
  4. Step 4: Simplify right side
    40,397.88x = 1,233,833,784.36
  5. Step 5: Solve for x
    x = 1,233,833,784.36/40,397.88
  6. Step 6: Final answer
    x = 30,542.04

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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.