Home / 39,227.80-58,874.10-18,200.20

Finding the Fourth Proportional to 39,227.80, 58,874.10 and 18,200.20

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Solution

The fourth proportional to 39,227.80, 58,874.10 and 18,200.20 is: 27,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.80 : 58,874.10 = 18,200.20 : x
  2. Step 2: Convert to fraction form
    39,227.80/58,874.10 = 18,200.20/x
  3. Step 3: Cross multiply
    39,227.80x = 58,874.10 × 18,200.20
  4. Step 4: Simplify right side
    39,227.80x = 1,071,520,394.82
  5. Step 5: Solve for x
    x = 1,071,520,394.82/39,227.80
  6. Step 6: Final answer
    x = 27,315.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.