Home / 51,543.16-71,129.52-28,882.33

Finding the Fourth Proportional to 51,543.16, 71,129.52 and 28,882.33

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Solution

The fourth proportional to 51,543.16, 71,129.52 and 28,882.33 is: 39,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.16 : 71,129.52 = 28,882.33 : x
  2. Step 2: Convert to fraction form
    51,543.16/71,129.52 = 28,882.33/x
  3. Step 3: Cross multiply
    51,543.16x = 71,129.52 × 28,882.33
  4. Step 4: Simplify right side
    51,543.16x = 2,054,386,091.56
  5. Step 5: Solve for x
    x = 2,054,386,091.56/51,543.16
  6. Step 6: Final answer
    x = 39,857.59

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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.