Home / 40,782.68-61,154.22-23,920.28

Finding the Fourth Proportional to 40,782.68, 61,154.22 and 23,920.28

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Solution

The fourth proportional to 40,782.68, 61,154.22 and 23,920.28 is: 35,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.68 : 61,154.22 = 23,920.28 : x
  2. Step 2: Convert to fraction form
    40,782.68/61,154.22 = 23,920.28/x
  3. Step 3: Cross multiply
    40,782.68x = 61,154.22 × 23,920.28
  4. Step 4: Simplify right side
    40,782.68x = 1,462,826,065.58
  5. Step 5: Solve for x
    x = 1,462,826,065.58/40,782.68
  6. Step 6: Final answer
    x = 35,868.81

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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.