Home / 29,686.60-44,546.40-12,155.20

Finding the Fourth Proportional to 29,686.60, 44,546.40 and 12,155.20

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Solution

The fourth proportional to 29,686.60, 44,546.40 and 12,155.20 is: 18,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.60 : 44,546.40 = 12,155.20 : x
  2. Step 2: Convert to fraction form
    29,686.60/44,546.40 = 12,155.20/x
  3. Step 3: Cross multiply
    29,686.60x = 44,546.40 × 12,155.20
  4. Step 4: Simplify right side
    29,686.60x = 541,470,401.28
  5. Step 5: Solve for x
    x = 541,470,401.28/29,686.60
  6. Step 6: Final answer
    x = 18,239.56

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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.