Home / 52,090.45-71,885.17-28,217.13

Finding the Fourth Proportional to 52,090.45, 71,885.17 and 28,217.13

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Solution

The fourth proportional to 52,090.45, 71,885.17 and 28,217.13 is: 38,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.45 : 71,885.17 = 28,217.13 : x
  2. Step 2: Convert to fraction form
    52,090.45/71,885.17 = 28,217.13/x
  3. Step 3: Cross multiply
    52,090.45x = 71,885.17 × 28,217.13
  4. Step 4: Simplify right side
    52,090.45x = 2,028,392,686.45
  5. Step 5: Solve for x
    x = 2,028,392,686.45/52,090.45
  6. Step 6: Final answer
    x = 38,939.82

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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.