Home / 40,919.68-61,338.48-26,145.28

Finding the Fourth Proportional to 40,919.68, 61,338.48 and 26,145.28

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Solution

The fourth proportional to 40,919.68, 61,338.48 and 26,145.28 is: 39,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,919.68 : 61,338.48 = 26,145.28 : x
  2. Step 2: Convert to fraction form
    40,919.68/61,338.48 = 26,145.28/x
  3. Step 3: Cross multiply
    40,919.68x = 61,338.48 × 26,145.28
  4. Step 4: Simplify right side
    40,919.68x = 1,603,711,734.37
  5. Step 5: Solve for x
    x = 1,603,711,734.37/40,919.68
  6. Step 6: Final answer
    x = 39,191.70

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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.