Home / 42,639.80-63,965.10-22,891.24

Finding the Fourth Proportional to 42,639.80, 63,965.10 and 22,891.24

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Solution

The fourth proportional to 42,639.80, 63,965.10 and 22,891.24 is: 34,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.80 : 63,965.10 = 22,891.24 : x
  2. Step 2: Convert to fraction form
    42,639.80/63,965.10 = 22,891.24/x
  3. Step 3: Cross multiply
    42,639.80x = 63,965.10 × 22,891.24
  4. Step 4: Simplify right side
    42,639.80x = 1,464,240,455.72
  5. Step 5: Solve for x
    x = 1,464,240,455.72/42,639.80
  6. Step 6: Final answer
    x = 34,339.76

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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.