Home / 40,070.97-60,161.13-20,363.47

Finding the Fourth Proportional to 40,070.97, 60,161.13 and 20,363.47

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Solution

The fourth proportional to 40,070.97, 60,161.13 and 20,363.47 is: 30,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.97 : 60,161.13 = 20,363.47 : x
  2. Step 2: Convert to fraction form
    40,070.97/60,161.13 = 20,363.47/x
  3. Step 3: Cross multiply
    40,070.97x = 60,161.13 × 20,363.47
  4. Step 4: Simplify right side
    40,070.97x = 1,225,089,215.52
  5. Step 5: Solve for x
    x = 1,225,089,215.52/40,070.97
  6. Step 6: Final answer
    x = 30,572.99

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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.