Home / 39,891.36-55,045.62-22,891.08

Finding the Fourth Proportional to 39,891.36, 55,045.62 and 22,891.08

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Solution

The fourth proportional to 39,891.36, 55,045.62 and 22,891.08 is: 31,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.36 : 55,045.62 = 22,891.08 : x
  2. Step 2: Convert to fraction form
    39,891.36/55,045.62 = 22,891.08/x
  3. Step 3: Cross multiply
    39,891.36x = 55,045.62 × 22,891.08
  4. Step 4: Simplify right side
    39,891.36x = 1,260,053,691.07
  5. Step 5: Solve for x
    x = 1,260,053,691.07/39,891.36
  6. Step 6: Final answer
    x = 31,587.13

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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.