Home / 30,467.28-45,691.14-9,685.92

Finding the Fourth Proportional to 30,467.28, 45,691.14 and 9,685.92

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Solution

The fourth proportional to 30,467.28, 45,691.14 and 9,685.92 is: 14,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.28 : 45,691.14 = 9,685.92 : x
  2. Step 2: Convert to fraction form
    30,467.28/45,691.14 = 9,685.92/x
  3. Step 3: Cross multiply
    30,467.28x = 45,691.14 × 9,685.92
  4. Step 4: Simplify right side
    30,467.28x = 442,560,726.75
  5. Step 5: Solve for x
    x = 442,560,726.75/30,467.28
  6. Step 6: Final answer
    x = 14,525.77

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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.