Home / 30,358.28-45,542.91-13,726.15

Finding the Fourth Proportional to 30,358.28, 45,542.91 and 13,726.15

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Solution

The fourth proportional to 30,358.28, 45,542.91 and 13,726.15 is: 20,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.28 : 45,542.91 = 13,726.15 : x
  2. Step 2: Convert to fraction form
    30,358.28/45,542.91 = 13,726.15/x
  3. Step 3: Cross multiply
    30,358.28x = 45,542.91 × 13,726.15
  4. Step 4: Simplify right side
    30,358.28x = 625,128,814.10
  5. Step 5: Solve for x
    x = 625,128,814.10/30,358.28
  6. Step 6: Final answer
    x = 20,591.71

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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.