Home / 31,833.72-43,930.08-17,686.20

Finding the Fourth Proportional to 31,833.72, 43,930.08 and 17,686.20

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Solution

The fourth proportional to 31,833.72, 43,930.08 and 17,686.20 is: 24,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.72 : 43,930.08 = 17,686.20 : x
  2. Step 2: Convert to fraction form
    31,833.72/43,930.08 = 17,686.20/x
  3. Step 3: Cross multiply
    31,833.72x = 43,930.08 × 17,686.20
  4. Step 4: Simplify right side
    31,833.72x = 776,956,180.90
  5. Step 5: Solve for x
    x = 776,956,180.90/31,833.72
  6. Step 6: Final answer
    x = 24,406.70

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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.