Home / 43,340.76-65,013.39-13,760.91

Finding the Fourth Proportional to 43,340.76, 65,013.39 and 13,760.91

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Solution

The fourth proportional to 43,340.76, 65,013.39 and 13,760.91 is: 20,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.76 : 65,013.39 = 13,760.91 : x
  2. Step 2: Convert to fraction form
    43,340.76/65,013.39 = 13,760.91/x
  3. Step 3: Cross multiply
    43,340.76x = 65,013.39 × 13,760.91
  4. Step 4: Simplify right side
    43,340.76x = 894,643,408.58
  5. Step 5: Solve for x
    x = 894,643,408.58/43,340.76
  6. Step 6: Final answer
    x = 20,642.08

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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.