Home / 31,934.13-44,069.11-18,513.18

Finding the Fourth Proportional to 31,934.13, 44,069.11 and 18,513.18

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Solution

The fourth proportional to 31,934.13, 44,069.11 and 18,513.18 is: 25,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.13 : 44,069.11 = 18,513.18 : x
  2. Step 2: Convert to fraction form
    31,934.13/44,069.11 = 18,513.18/x
  3. Step 3: Cross multiply
    31,934.13x = 44,069.11 × 18,513.18
  4. Step 4: Simplify right side
    31,934.13x = 815,859,547.67
  5. Step 5: Solve for x
    x = 815,859,547.67/31,934.13
  6. Step 6: Final answer
    x = 25,548.20

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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.