Home / 52,091.81-71,886.68-28,218.47

Finding the Fourth Proportional to 52,091.81, 71,886.68 and 28,218.47

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Solution

The fourth proportional to 52,091.81, 71,886.68 and 28,218.47 is: 38,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.81 : 71,886.68 = 28,218.47 : x
  2. Step 2: Convert to fraction form
    52,091.81/71,886.68 = 28,218.47/x
  3. Step 3: Cross multiply
    52,091.81x = 71,886.68 × 28,218.47
  4. Step 4: Simplify right side
    52,091.81x = 2,028,532,122.98
  5. Step 5: Solve for x
    x = 2,028,532,122.98/52,091.81
  6. Step 6: Final answer
    x = 38,941.48

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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.