Home / 56,074.12-84,079.89-18,613.85

Finding the Fourth Proportional to 56,074.12, 84,079.89 and 18,613.85

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Solution

The fourth proportional to 56,074.12, 84,079.89 and 18,613.85 is: 27,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,074.12 : 84,079.89 = 18,613.85 : x
  2. Step 2: Convert to fraction form
    56,074.12/84,079.89 = 18,613.85/x
  3. Step 3: Cross multiply
    56,074.12x = 84,079.89 × 18,613.85
  4. Step 4: Simplify right side
    56,074.12x = 1,565,050,040.08
  5. Step 5: Solve for x
    x = 1,565,050,040.08/56,074.12
  6. Step 6: Final answer
    x = 27,910.38

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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.