Home / 31,837.51-43,934.89-17,689.99

Finding the Fourth Proportional to 31,837.51, 43,934.89 and 17,689.99

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Solution

The fourth proportional to 31,837.51, 43,934.89 and 17,689.99 is: 24,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.51 : 43,934.89 = 17,689.99 : x
  2. Step 2: Convert to fraction form
    31,837.51/43,934.89 = 17,689.99/x
  3. Step 3: Cross multiply
    31,837.51x = 43,934.89 × 17,689.99
  4. Step 4: Simplify right side
    31,837.51x = 777,207,764.75
  5. Step 5: Solve for x
    x = 777,207,764.75/31,837.51
  6. Step 6: Final answer
    x = 24,411.70

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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.