Home / 51,613.76-71,223.36-28,951.04

Finding the Fourth Proportional to 51,613.76, 71,223.36 and 28,951.04

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Solution

The fourth proportional to 51,613.76, 71,223.36 and 28,951.04 is: 39,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,613.76 : 71,223.36 = 28,951.04 : x
  2. Step 2: Convert to fraction form
    51,613.76/71,223.36 = 28,951.04/x
  3. Step 3: Cross multiply
    51,613.76x = 71,223.36 × 28,951.04
  4. Step 4: Simplify right side
    51,613.76x = 2,061,990,344.29
  5. Step 5: Solve for x
    x = 2,061,990,344.29/51,613.76
  6. Step 6: Final answer
    x = 39,950.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.