Home / 31,249.61-43,144.59-27,886.65

Finding the Fourth Proportional to 31,249.61, 43,144.59 and 27,886.65

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Solution

The fourth proportional to 31,249.61, 43,144.59 and 27,886.65 is: 38,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.61 : 43,144.59 = 27,886.65 : x
  2. Step 2: Convert to fraction form
    31,249.61/43,144.59 = 27,886.65/x
  3. Step 3: Cross multiply
    31,249.61x = 43,144.59 × 27,886.65
  4. Step 4: Simplify right side
    31,249.61x = 1,203,158,080.72
  5. Step 5: Solve for x
    x = 1,203,158,080.72/31,249.61
  6. Step 6: Final answer
    x = 38,501.54

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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.