Home / 31,172.24-42,991.10-26,350.33

Finding the Fourth Proportional to 31,172.24, 42,991.10 and 26,350.33

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Solution

The fourth proportional to 31,172.24, 42,991.10 and 26,350.33 is: 36,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.24 : 42,991.10 = 26,350.33 : x
  2. Step 2: Convert to fraction form
    31,172.24/42,991.10 = 26,350.33/x
  3. Step 3: Cross multiply
    31,172.24x = 42,991.10 × 26,350.33
  4. Step 4: Simplify right side
    31,172.24x = 1,132,829,760.48
  5. Step 5: Solve for x
    x = 1,132,829,760.48/31,172.24
  6. Step 6: Final answer
    x = 36,340.98

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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.