Home / 31,274.78-43,159.00-16,934.46

Finding the Fourth Proportional to 31,274.78, 43,159.00 and 16,934.46

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Solution

The fourth proportional to 31,274.78, 43,159.00 and 16,934.46 is: 23,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.78 : 43,159.00 = 16,934.46 : x
  2. Step 2: Convert to fraction form
    31,274.78/43,159.00 = 16,934.46/x
  3. Step 3: Cross multiply
    31,274.78x = 43,159.00 × 16,934.46
  4. Step 4: Simplify right side
    31,274.78x = 730,874,355.72
  5. Step 5: Solve for x
    x = 730,874,355.72/31,274.78
  6. Step 6: Final answer
    x = 23,369.45

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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.