Home / 31,798.33-43,877.91-18,366.91

Finding the Fourth Proportional to 31,798.33, 43,877.91 and 18,366.91

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Solution

The fourth proportional to 31,798.33, 43,877.91 and 18,366.91 is: 25,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.33 : 43,877.91 = 18,366.91 : x
  2. Step 2: Convert to fraction form
    31,798.33/43,877.91 = 18,366.91/x
  3. Step 3: Cross multiply
    31,798.33x = 43,877.91 × 18,366.91
  4. Step 4: Simplify right side
    31,798.33x = 805,901,623.96
  5. Step 5: Solve for x
    x = 805,901,623.96/31,798.33
  6. Step 6: Final answer
    x = 25,344.15

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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.