Home / 40,910.48-61,377.72-13,207.76

Finding the Fourth Proportional to 40,910.48, 61,377.72 and 13,207.76

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Solution

The fourth proportional to 40,910.48, 61,377.72 and 13,207.76 is: 19,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.48 : 61,377.72 = 13,207.76 : x
  2. Step 2: Convert to fraction form
    40,910.48/61,377.72 = 13,207.76/x
  3. Step 3: Cross multiply
    40,910.48x = 61,377.72 × 13,207.76
  4. Step 4: Simplify right side
    40,910.48x = 810,662,195.11
  5. Step 5: Solve for x
    x = 810,662,195.11/40,910.48
  6. Step 6: Final answer
    x = 19,815.51

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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.