Home / 40,031.28-60,046.80-28,136.08

Finding the Fourth Proportional to 40,031.28, 60,046.80 and 28,136.08

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Solution

The fourth proportional to 40,031.28, 60,046.80 and 28,136.08 is: 42,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.28 : 60,046.80 = 28,136.08 : x
  2. Step 2: Convert to fraction form
    40,031.28/60,046.80 = 28,136.08/x
  3. Step 3: Cross multiply
    40,031.28x = 60,046.80 × 28,136.08
  4. Step 4: Simplify right side
    40,031.28x = 1,689,481,568.54
  5. Step 5: Solve for x
    x = 1,689,481,568.54/40,031.28
  6. Step 6: Final answer
    x = 42,204.04

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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.