Home / 39,861.54-59,795.74-10,279.12

Finding the Fourth Proportional to 39,861.54, 59,795.74 and 10,279.12

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Solution

The fourth proportional to 39,861.54, 59,795.74 and 10,279.12 is: 15,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861.54 : 59,795.74 = 10,279.12 : x
  2. Step 2: Convert to fraction form
    39,861.54/59,795.74 = 10,279.12/x
  3. Step 3: Cross multiply
    39,861.54x = 59,795.74 × 10,279.12
  4. Step 4: Simplify right side
    39,861.54x = 614,647,586.95
  5. Step 5: Solve for x
    x = 614,647,586.95/39,861.54
  6. Step 6: Final answer
    x = 15,419.56

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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.