Home / 24,342.80-36,338.11-21,390.35

Finding the Fourth Proportional to 24,342.80, 36,338.11 and 21,390.35

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Solution

The fourth proportional to 24,342.80, 36,338.11 and 21,390.35 is: 31,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,342.80 : 36,338.11 = 21,390.35 : x
  2. Step 2: Convert to fraction form
    24,342.80/36,338.11 = 21,390.35/x
  3. Step 3: Cross multiply
    24,342.80x = 36,338.11 × 21,390.35
  4. Step 4: Simplify right side
    24,342.80x = 777,284,891.24
  5. Step 5: Solve for x
    x = 777,284,891.24/24,342.80
  6. Step 6: Final answer
    x = 31,930.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.