Home / 29,679.60-44,519.30-12,149.45

Finding the Fourth Proportional to 29,679.60, 44,519.30 and 12,149.45

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Solution

The fourth proportional to 29,679.60, 44,519.30 and 12,149.45 is: 18,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.60 : 44,519.30 = 12,149.45 : x
  2. Step 2: Convert to fraction form
    29,679.60/44,519.30 = 12,149.45/x
  3. Step 3: Cross multiply
    29,679.60x = 44,519.30 × 12,149.45
  4. Step 4: Simplify right side
    29,679.60x = 540,885,009.39
  5. Step 5: Solve for x
    x = 540,885,009.39/29,679.60
  6. Step 6: Final answer
    x = 18,224.13

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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.