Home / 31,274.22-43,158.48-16,934.20

Finding the Fourth Proportional to 31,274.22, 43,158.48 and 16,934.20

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Solution

The fourth proportional to 31,274.22, 43,158.48 and 16,934.20 is: 23,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.22 : 43,158.48 = 16,934.20 : x
  2. Step 2: Convert to fraction form
    31,274.22/43,158.48 = 16,934.20/x
  3. Step 3: Cross multiply
    31,274.22x = 43,158.48 × 16,934.20
  4. Step 4: Simplify right side
    31,274.22x = 730,854,332.02
  5. Step 5: Solve for x
    x = 730,854,332.02/31,274.22
  6. Step 6: Final answer
    x = 23,369.23

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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.