Home / 29,989.20-44,983.80-9,212.70

Finding the Fourth Proportional to 29,989.20, 44,983.80 and 9,212.70

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Solution

The fourth proportional to 29,989.20, 44,983.80 and 9,212.70 is: 13,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.20 : 44,983.80 = 9,212.70 : x
  2. Step 2: Convert to fraction form
    29,989.20/44,983.80 = 9,212.70/x
  3. Step 3: Cross multiply
    29,989.20x = 44,983.80 × 9,212.70
  4. Step 4: Simplify right side
    29,989.20x = 414,422,254.26
  5. Step 5: Solve for x
    x = 414,422,254.26/29,989.20
  6. Step 6: Final answer
    x = 13,819.05

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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.