Home / 31,373.07-43,292.12-17,942.16

Finding the Fourth Proportional to 31,373.07, 43,292.12 and 17,942.16

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Solution

The fourth proportional to 31,373.07, 43,292.12 and 17,942.16 is: 24,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.07 : 43,292.12 = 17,942.16 : x
  2. Step 2: Convert to fraction form
    31,373.07/43,292.12 = 17,942.16/x
  3. Step 3: Cross multiply
    31,373.07x = 43,292.12 × 17,942.16
  4. Step 4: Simplify right side
    31,373.07x = 776,754,143.78
  5. Step 5: Solve for x
    x = 776,754,143.78/31,373.07
  6. Step 6: Final answer
    x = 24,758.63

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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.