Home / 47,613.60-71,339.40-30,948.12

Finding the Fourth Proportional to 47,613.60, 71,339.40 and 30,948.12

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Solution

The fourth proportional to 47,613.60, 71,339.40 and 30,948.12 is: 46,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,613.60 : 71,339.40 = 30,948.12 : x
  2. Step 2: Convert to fraction form
    47,613.60/71,339.40 = 30,948.12/x
  3. Step 3: Cross multiply
    47,613.60x = 71,339.40 × 30,948.12
  4. Step 4: Simplify right side
    47,613.60x = 2,207,820,311.93
  5. Step 5: Solve for x
    x = 2,207,820,311.93/47,613.60
  6. Step 6: Final answer
    x = 46,369.53

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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.