Home / 31,192.20-43,040.88-17,762.81

Finding the Fourth Proportional to 31,192.20, 43,040.88 and 17,762.81

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Solution

The fourth proportional to 31,192.20, 43,040.88 and 17,762.81 is: 24,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.20 : 43,040.88 = 17,762.81 : x
  2. Step 2: Convert to fraction form
    31,192.20/43,040.88 = 17,762.81/x
  3. Step 3: Cross multiply
    31,192.20x = 43,040.88 × 17,762.81
  4. Step 4: Simplify right side
    31,192.20x = 764,526,758.47
  5. Step 5: Solve for x
    x = 764,526,758.47/31,192.20
  6. Step 6: Final answer
    x = 24,510.19

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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.