Home / 31,366.17-43,288.38-17,939.39

Finding the Fourth Proportional to 31,366.17, 43,288.38 and 17,939.39

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Solution

The fourth proportional to 31,366.17, 43,288.38 and 17,939.39 is: 24,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.17 : 43,288.38 = 17,939.39 : x
  2. Step 2: Convert to fraction form
    31,366.17/43,288.38 = 17,939.39/x
  3. Step 3: Cross multiply
    31,366.17x = 43,288.38 × 17,939.39
  4. Step 4: Simplify right side
    31,366.17x = 776,566,914.85
  5. Step 5: Solve for x
    x = 776,566,914.85/31,366.17
  6. Step 6: Final answer
    x = 24,758.10

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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.