Home / 31,377.49-47,062.77-9,191.08

Finding the Fourth Proportional to 31,377.49, 47,062.77 and 9,191.08

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Solution

The fourth proportional to 31,377.49, 47,062.77 and 9,191.08 is: 13,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.49 : 47,062.77 = 9,191.08 : x
  2. Step 2: Convert to fraction form
    31,377.49/47,062.77 = 9,191.08/x
  3. Step 3: Cross multiply
    31,377.49x = 47,062.77 × 9,191.08
  4. Step 4: Simplify right side
    31,377.49x = 432,557,684.09
  5. Step 5: Solve for x
    x = 432,557,684.09/31,377.49
  6. Step 6: Final answer
    x = 13,785.61

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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.