Home / 40,031.68-60,130.56-31,769.92

Finding the Fourth Proportional to 40,031.68, 60,130.56 and 31,769.92

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Solution

The fourth proportional to 40,031.68, 60,130.56 and 31,769.92 is: 47,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.68 : 60,130.56 = 31,769.92 : x
  2. Step 2: Convert to fraction form
    40,031.68/60,130.56 = 31,769.92/x
  3. Step 3: Cross multiply
    40,031.68x = 60,130.56 × 31,769.92
  4. Step 4: Simplify right side
    40,031.68x = 1,910,343,080.76
  5. Step 5: Solve for x
    x = 1,910,343,080.76/40,031.68
  6. Step 6: Final answer
    x = 47,720.78

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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.