Home / 41,120.16-61,660.79-18,926.97

Finding the Fourth Proportional to 41,120.16, 61,660.79 and 18,926.97

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Solution

The fourth proportional to 41,120.16, 61,660.79 and 18,926.97 is: 28,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,120.16 : 61,660.79 = 18,926.97 : x
  2. Step 2: Convert to fraction form
    41,120.16/61,660.79 = 18,926.97/x
  3. Step 3: Cross multiply
    41,120.16x = 61,660.79 × 18,926.97
  4. Step 4: Simplify right side
    41,120.16x = 1,167,051,922.51
  5. Step 5: Solve for x
    x = 1,167,051,922.51/41,120.16
  6. Step 6: Final answer
    x = 28,381.50

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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.