Home / 48,091.59-72,163.17-20,031.03

Finding the Fourth Proportional to 48,091.59, 72,163.17 and 20,031.03

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Solution

The fourth proportional to 48,091.59, 72,163.17 and 20,031.03 is: 30,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,091.59 : 72,163.17 = 20,031.03 : x
  2. Step 2: Convert to fraction form
    48,091.59/72,163.17 = 20,031.03/x
  3. Step 3: Cross multiply
    48,091.59x = 72,163.17 × 20,031.03
  4. Step 4: Simplify right side
    48,091.59x = 1,445,502,623.17
  5. Step 5: Solve for x
    x = 1,445,502,623.17/48,091.59
  6. Step 6: Final answer
    x = 30,057.28

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1.5x scale

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.