Home / 39,147.73-58,719.50-13,845.49

Finding the Fourth Proportional to 39,147.73, 58,719.50 and 13,845.49

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Solution

The fourth proportional to 39,147.73, 58,719.50 and 13,845.49 is: 20,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.73 : 58,719.50 = 13,845.49 : x
  2. Step 2: Convert to fraction form
    39,147.73/58,719.50 = 13,845.49/x
  3. Step 3: Cross multiply
    39,147.73x = 58,719.50 × 13,845.49
  4. Step 4: Simplify right side
    39,147.73x = 813,000,250.06
  5. Step 5: Solve for x
    x = 813,000,250.06/39,147.73
  6. Step 6: Final answer
    x = 20,767.49

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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.