Home / 52,013.55-71,778.69-28,140.24

Finding the Fourth Proportional to 52,013.55, 71,778.69 and 28,140.24

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Solution

The fourth proportional to 52,013.55, 71,778.69 and 28,140.24 is: 38,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,013.55 : 71,778.69 = 28,140.24 : x
  2. Step 2: Convert to fraction form
    52,013.55/71,778.69 = 28,140.24/x
  3. Step 3: Cross multiply
    52,013.55x = 71,778.69 × 28,140.24
  4. Step 4: Simplify right side
    52,013.55x = 2,019,869,563.49
  5. Step 5: Solve for x
    x = 2,019,869,563.49/52,013.55
  6. Step 6: Final answer
    x = 38,833.53

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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.