Home / 51,618.40-71,230.22-28,953.18

Finding the Fourth Proportional to 51,618.40, 71,230.22 and 28,953.18

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Solution

The fourth proportional to 51,618.40, 71,230.22 and 28,953.18 is: 39,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618.40 : 71,230.22 = 28,953.18 : x
  2. Step 2: Convert to fraction form
    51,618.40/71,230.22 = 28,953.18/x
  3. Step 3: Cross multiply
    51,618.40x = 71,230.22 × 28,953.18
  4. Step 4: Simplify right side
    51,618.40x = 2,062,341,344.91
  5. Step 5: Solve for x
    x = 2,062,341,344.91/51,618.40
  6. Step 6: Final answer
    x = 39,953.61

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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.