Home / 52,040.09-71,815.55-28,166.76

Finding the Fourth Proportional to 52,040.09, 71,815.55 and 28,166.76

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Solution

The fourth proportional to 52,040.09, 71,815.55 and 28,166.76 is: 38,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.09 : 71,815.55 = 28,166.76 : x
  2. Step 2: Convert to fraction form
    52,040.09/71,815.55 = 28,166.76/x
  3. Step 3: Cross multiply
    52,040.09x = 71,815.55 × 28,166.76
  4. Step 4: Simplify right side
    52,040.09x = 2,022,811,220.28
  5. Step 5: Solve for x
    x = 2,022,811,220.28/52,040.09
  6. Step 6: Final answer
    x = 38,870.25

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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.