Home / 41,118.72-61,680.36-13,036.79

Finding the Fourth Proportional to 41,118.72, 61,680.36 and 13,036.79

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Solution

The fourth proportional to 41,118.72, 61,680.36 and 13,036.79 is: 19,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,118.72 : 61,680.36 = 13,036.79 : x
  2. Step 2: Convert to fraction form
    41,118.72/61,680.36 = 13,036.79/x
  3. Step 3: Cross multiply
    41,118.72x = 61,680.36 × 13,036.79
  4. Step 4: Simplify right side
    41,118.72x = 804,113,592.04
  5. Step 5: Solve for x
    x = 804,113,592.04/41,118.72
  6. Step 6: Final answer
    x = 19,555.90

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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.