Home / 31,890.97-44,009.52-17,743.81

Finding the Fourth Proportional to 31,890.97, 44,009.52 and 17,743.81

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Solution

The fourth proportional to 31,890.97, 44,009.52 and 17,743.81 is: 24,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.97 : 44,009.52 = 17,743.81 : x
  2. Step 2: Convert to fraction form
    31,890.97/44,009.52 = 17,743.81/x
  3. Step 3: Cross multiply
    31,890.97x = 44,009.52 × 17,743.81
  4. Step 4: Simplify right side
    31,890.97x = 780,896,561.07
  5. Step 5: Solve for x
    x = 780,896,561.07/31,890.97
  6. Step 6: Final answer
    x = 24,486.45

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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.