Home / 31,067.04-42,873.59-17,637.85

Finding the Fourth Proportional to 31,067.04, 42,873.59 and 17,637.85

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Solution

The fourth proportional to 31,067.04, 42,873.59 and 17,637.85 is: 24,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,067.04 : 42,873.59 = 17,637.85 : x
  2. Step 2: Convert to fraction form
    31,067.04/42,873.59 = 17,637.85/x
  3. Step 3: Cross multiply
    31,067.04x = 42,873.59 × 17,637.85
  4. Step 4: Simplify right side
    31,067.04x = 756,197,646.82
  5. Step 5: Solve for x
    x = 756,197,646.82/31,067.04
  6. Step 6: Final answer
    x = 24,340.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.