Home / 39,645.59-54,712.80-22,651.65

Finding the Fourth Proportional to 39,645.59, 54,712.80 and 22,651.65

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Solution

The fourth proportional to 39,645.59, 54,712.80 and 22,651.65 is: 31,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.59 : 54,712.80 = 22,651.65 : x
  2. Step 2: Convert to fraction form
    39,645.59/54,712.80 = 22,651.65/x
  3. Step 3: Cross multiply
    39,645.59x = 54,712.80 × 22,651.65
  4. Step 4: Simplify right side
    39,645.59x = 1,239,335,196.12
  5. Step 5: Solve for x
    x = 1,239,335,196.12/39,645.59
  6. Step 6: Final answer
    x = 31,260.36

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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.