Home / 39,028.20-58,492.17-20,305.65

Finding the Fourth Proportional to 39,028.20, 58,492.17 and 20,305.65

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Solution

The fourth proportional to 39,028.20, 58,492.17 and 20,305.65 is: 30,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.20 : 58,492.17 = 20,305.65 : x
  2. Step 2: Convert to fraction form
    39,028.20/58,492.17 = 20,305.65/x
  3. Step 3: Cross multiply
    39,028.20x = 58,492.17 × 20,305.65
  4. Step 4: Simplify right side
    39,028.20x = 1,187,721,531.76
  5. Step 5: Solve for x
    x = 1,187,721,531.76/39,028.20
  6. Step 6: Final answer
    x = 30,432.39

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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.