Home / 31,565.97-47,345.72-19,843.65

Finding the Fourth Proportional to 31,565.97, 47,345.72 and 19,843.65

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Solution

The fourth proportional to 31,565.97, 47,345.72 and 19,843.65 is: 29,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.97 : 47,345.72 = 19,843.65 : x
  2. Step 2: Convert to fraction form
    31,565.97/47,345.72 = 19,843.65/x
  3. Step 3: Cross multiply
    31,565.97x = 47,345.72 × 19,843.65
  4. Step 4: Simplify right side
    31,565.97x = 939,511,797.46
  5. Step 5: Solve for x
    x = 939,511,797.46/31,565.97
  6. Step 6: Final answer
    x = 29,763.44

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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.