Home / 31,851.92-43,953.68-17,704.32

Finding the Fourth Proportional to 31,851.92, 43,953.68 and 17,704.32

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Solution

The fourth proportional to 31,851.92, 43,953.68 and 17,704.32 is: 24,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.92 : 43,953.68 = 17,704.32 : x
  2. Step 2: Convert to fraction form
    31,851.92/43,953.68 = 17,704.32/x
  3. Step 3: Cross multiply
    31,851.92x = 43,953.68 × 17,704.32
  4. Step 4: Simplify right side
    31,851.92x = 778,170,015.90
  5. Step 5: Solve for x
    x = 778,170,015.90/31,851.92
  6. Step 6: Final answer
    x = 24,430.87

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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.