Home / 31,251.68-43,126.98-17,822.60

Finding the Fourth Proportional to 31,251.68, 43,126.98 and 17,822.60

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Solution

The fourth proportional to 31,251.68, 43,126.98 and 17,822.60 is: 24,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.68 : 43,126.98 = 17,822.60 : x
  2. Step 2: Convert to fraction form
    31,251.68/43,126.98 = 17,822.60/x
  3. Step 3: Cross multiply
    31,251.68x = 43,126.98 × 17,822.60
  4. Step 4: Simplify right side
    31,251.68x = 768,634,698.11
  5. Step 5: Solve for x
    x = 768,634,698.11/31,251.68
  6. Step 6: Final answer
    x = 24,594.99

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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.