Home / 31,849.68-47,718.27-19,344.18

Finding the Fourth Proportional to 31,849.68, 47,718.27 and 19,344.18

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Solution

The fourth proportional to 31,849.68, 47,718.27 and 19,344.18 is: 28,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.68 : 47,718.27 = 19,344.18 : x
  2. Step 2: Convert to fraction form
    31,849.68/47,718.27 = 19,344.18/x
  3. Step 3: Cross multiply
    31,849.68x = 47,718.27 × 19,344.18
  4. Step 4: Simplify right side
    31,849.68x = 923,070,804.17
  5. Step 5: Solve for x
    x = 923,070,804.17/31,849.68
  6. Step 6: Final answer
    x = 28,982.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.