Home / 30,031.28-41,439.56-16,600.71

Finding the Fourth Proportional to 30,031.28, 41,439.56 and 16,600.71

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Solution

The fourth proportional to 30,031.28, 41,439.56 and 16,600.71 is: 22,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.28 : 41,439.56 = 16,600.71 : x
  2. Step 2: Convert to fraction form
    30,031.28/41,439.56 = 16,600.71/x
  3. Step 3: Cross multiply
    30,031.28x = 41,439.56 × 16,600.71
  4. Step 4: Simplify right side
    30,031.28x = 687,926,118.09
  5. Step 5: Solve for x
    x = 687,926,118.09/30,031.28
  6. Step 6: Final answer
    x = 22,906.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.