Home / 31,754.07-43,810.64-18,323.56

Finding the Fourth Proportional to 31,754.07, 43,810.64 and 18,323.56

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Solution

The fourth proportional to 31,754.07, 43,810.64 and 18,323.56 is: 25,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.07 : 43,810.64 = 18,323.56 : x
  2. Step 2: Convert to fraction form
    31,754.07/43,810.64 = 18,323.56/x
  3. Step 3: Cross multiply
    31,754.07x = 43,810.64 × 18,323.56
  4. Step 4: Simplify right side
    31,754.07x = 802,766,580.01
  5. Step 5: Solve for x
    x = 802,766,580.01/31,754.07
  6. Step 6: Final answer
    x = 25,280.75

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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.