Home / 34,589.52-47,730.30-20,439.66

Finding the Fourth Proportional to 34,589.52, 47,730.30 and 20,439.66

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Solution

The fourth proportional to 34,589.52, 47,730.30 and 20,439.66 is: 28,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,589.52 : 47,730.30 = 20,439.66 : x
  2. Step 2: Convert to fraction form
    34,589.52/47,730.30 = 20,439.66/x
  3. Step 3: Cross multiply
    34,589.52x = 47,730.30 × 20,439.66
  4. Step 4: Simplify right side
    34,589.52x = 975,591,103.70
  5. Step 5: Solve for x
    x = 975,591,103.70/34,589.52
  6. Step 6: Final answer
    x = 28,204.82

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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.