Home / 31,912.79-44,043.77-18,306.14

Finding the Fourth Proportional to 31,912.79, 44,043.77 and 18,306.14

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Solution

The fourth proportional to 31,912.79, 44,043.77 and 18,306.14 is: 25,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.79 : 44,043.77 = 18,306.14 : x
  2. Step 2: Convert to fraction form
    31,912.79/44,043.77 = 18,306.14/x
  3. Step 3: Cross multiply
    31,912.79x = 44,043.77 × 18,306.14
  4. Step 4: Simplify right side
    31,912.79x = 806,271,108.00
  5. Step 5: Solve for x
    x = 806,271,108.00/31,912.79
  6. Step 6: Final answer
    x = 25,264.83

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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.