Home / 44,027.12-66,039.49-12,439.36

Finding the Fourth Proportional to 44,027.12, 66,039.49 and 12,439.36

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Solution

The fourth proportional to 44,027.12, 66,039.49 and 12,439.36 is: 18,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,027.12 : 66,039.49 = 12,439.36 : x
  2. Step 2: Convert to fraction form
    44,027.12/66,039.49 = 12,439.36/x
  3. Step 3: Cross multiply
    44,027.12x = 66,039.49 × 12,439.36
  4. Step 4: Simplify right side
    44,027.12x = 821,488,990.33
  5. Step 5: Solve for x
    x = 821,488,990.33/44,027.12
  6. Step 6: Final answer
    x = 18,658.70

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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.