Home / 31,835.68-43,934.40-17,689.92

Finding the Fourth Proportional to 31,835.68, 43,934.40 and 17,689.92

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Solution

The fourth proportional to 31,835.68, 43,934.40 and 17,689.92 is: 24,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.68 : 43,934.40 = 17,689.92 : x
  2. Step 2: Convert to fraction form
    31,835.68/43,934.40 = 17,689.92/x
  3. Step 3: Cross multiply
    31,835.68x = 43,934.40 × 17,689.92
  4. Step 4: Simplify right side
    31,835.68x = 777,196,021.25
  5. Step 5: Solve for x
    x = 777,196,021.25/31,835.68
  6. Step 6: Final answer
    x = 24,412.74

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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.