Home / 39,771.25-59,659.07-13,116.15

Finding the Fourth Proportional to 39,771.25, 59,659.07 and 13,116.15

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Solution

The fourth proportional to 39,771.25, 59,659.07 and 13,116.15 is: 19,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.25 : 59,659.07 = 13,116.15 : x
  2. Step 2: Convert to fraction form
    39,771.25/59,659.07 = 13,116.15/x
  3. Step 3: Cross multiply
    39,771.25x = 59,659.07 × 13,116.15
  4. Step 4: Simplify right side
    39,771.25x = 782,497,245.40
  5. Step 5: Solve for x
    x = 782,497,245.40/39,771.25
  6. Step 6: Final answer
    x = 19,674.95

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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.