Home / 29,890.20-44,835.30-9,113.70

Finding the Fourth Proportional to 29,890.20, 44,835.30 and 9,113.70

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Solution

The fourth proportional to 29,890.20, 44,835.30 and 9,113.70 is: 13,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,890.20 : 44,835.30 = 9,113.70 : x
  2. Step 2: Convert to fraction form
    29,890.20/44,835.30 = 9,113.70/x
  3. Step 3: Cross multiply
    29,890.20x = 44,835.30 × 9,113.70
  4. Step 4: Simplify right side
    29,890.20x = 408,615,473.61
  5. Step 5: Solve for x
    x = 408,615,473.61/29,890.20
  6. Step 6: Final answer
    x = 13,670.55

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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.