Home / 39,118.20-58,656.12-13,805.04

Finding the Fourth Proportional to 39,118.20, 58,656.12 and 13,805.04

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Solution

The fourth proportional to 39,118.20, 58,656.12 and 13,805.04 is: 20,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,118.20 : 58,656.12 = 13,805.04 : x
  2. Step 2: Convert to fraction form
    39,118.20/58,656.12 = 13,805.04/x
  3. Step 3: Cross multiply
    39,118.20x = 58,656.12 × 13,805.04
  4. Step 4: Simplify right side
    39,118.20x = 809,750,082.84
  5. Step 5: Solve for x
    x = 809,750,082.84/39,118.20
  6. Step 6: Final answer
    x = 20,700.09

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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.