Home / 30,259.36-41,758.50-17,691.40

Finding the Fourth Proportional to 30,259.36, 41,758.50 and 17,691.40

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Solution

The fourth proportional to 30,259.36, 41,758.50 and 17,691.40 is: 24,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.36 : 41,758.50 = 17,691.40 : x
  2. Step 2: Convert to fraction form
    30,259.36/41,758.50 = 17,691.40/x
  3. Step 3: Cross multiply
    30,259.36x = 41,758.50 × 17,691.40
  4. Step 4: Simplify right side
    30,259.36x = 738,766,326.90
  5. Step 5: Solve for x
    x = 738,766,326.90/30,259.36
  6. Step 6: Final answer
    x = 24,414.47

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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.