Home / 44,403.12-66,613.32-21,016.80

Finding the Fourth Proportional to 44,403.12, 66,613.32 and 21,016.80

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Solution

The fourth proportional to 44,403.12, 66,613.32 and 21,016.80 is: 31,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,403.12 : 66,613.32 = 21,016.80 : x
  2. Step 2: Convert to fraction form
    44,403.12/66,613.32 = 21,016.80/x
  3. Step 3: Cross multiply
    44,403.12x = 66,613.32 × 21,016.80
  4. Step 4: Simplify right side
    44,403.12x = 1,399,998,823.78
  5. Step 5: Solve for x
    x = 1,399,998,823.78/44,403.12
  6. Step 6: Final answer
    x = 31,529.29

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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.