Home / 30,500.47-45,747.46-14,700.61

Finding the Fourth Proportional to 30,500.47, 45,747.46 and 14,700.61

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Solution

The fourth proportional to 30,500.47, 45,747.46 and 14,700.61 is: 22,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.47 : 45,747.46 = 14,700.61 : x
  2. Step 2: Convert to fraction form
    30,500.47/45,747.46 = 14,700.61/x
  3. Step 3: Cross multiply
    30,500.47x = 45,747.46 × 14,700.61
  4. Step 4: Simplify right side
    30,500.47x = 672,515,567.95
  5. Step 5: Solve for x
    x = 672,515,567.95/30,500.47
  6. Step 6: Final answer
    x = 22,049.35

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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.