Home / 52,094.10-71,890.20-28,220.79

Finding the Fourth Proportional to 52,094.10, 71,890.20 and 28,220.79

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Solution

The fourth proportional to 52,094.10, 71,890.20 and 28,220.79 is: 38,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,094.10 : 71,890.20 = 28,220.79 : x
  2. Step 2: Convert to fraction form
    52,094.10/71,890.20 = 28,220.79/x
  3. Step 3: Cross multiply
    52,094.10x = 71,890.20 × 28,220.79
  4. Step 4: Simplify right side
    52,094.10x = 2,028,798,237.26
  5. Step 5: Solve for x
    x = 2,028,798,237.26/52,094.10
  6. Step 6: Final answer
    x = 38,944.88

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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.