Home / 39,119.57-58,655.92-12,454.04

Finding the Fourth Proportional to 39,119.57, 58,655.92 and 12,454.04

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Solution

The fourth proportional to 39,119.57, 58,655.92 and 12,454.04 is: 18,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.57 : 58,655.92 = 12,454.04 : x
  2. Step 2: Convert to fraction form
    39,119.57/58,655.92 = 12,454.04/x
  3. Step 3: Cross multiply
    39,119.57x = 58,655.92 × 12,454.04
  4. Step 4: Simplify right side
    39,119.57x = 730,503,173.92
  5. Step 5: Solve for x
    x = 730,503,173.92/39,119.57
  6. Step 6: Final answer
    x = 18,673.60

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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.