Home / 31,231.80-43,102.71-17,800.29

Finding the Fourth Proportional to 31,231.80, 43,102.71 and 17,800.29

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Solution

The fourth proportional to 31,231.80, 43,102.71 and 17,800.29 is: 24,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.80 : 43,102.71 = 17,800.29 : x
  2. Step 2: Convert to fraction form
    31,231.80/43,102.71 = 17,800.29/x
  3. Step 3: Cross multiply
    31,231.80x = 43,102.71 × 17,800.29
  4. Step 4: Simplify right side
    31,231.80x = 767,240,737.79
  5. Step 5: Solve for x
    x = 767,240,737.79/31,231.80
  6. Step 6: Final answer
    x = 24,566.01

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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.