Home / 30,167.97-41,658.25-18,856.80

Finding the Fourth Proportional to 30,167.97, 41,658.25 and 18,856.80

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Solution

The fourth proportional to 30,167.97, 41,658.25 and 18,856.80 is: 26,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.97 : 41,658.25 = 18,856.80 : x
  2. Step 2: Convert to fraction form
    30,167.97/41,658.25 = 18,856.80/x
  3. Step 3: Cross multiply
    30,167.97x = 41,658.25 × 18,856.80
  4. Step 4: Simplify right side
    30,167.97x = 785,541,080.31
  5. Step 5: Solve for x
    x = 785,541,080.31/30,167.97
  6. Step 6: Final answer
    x = 26,038.91

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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.