Home / 31,790.61-43,871.63-17,644.23

Finding the Fourth Proportional to 31,790.61, 43,871.63 and 17,644.23

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Solution

The fourth proportional to 31,790.61, 43,871.63 and 17,644.23 is: 24,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.61 : 43,871.63 = 17,644.23 : x
  2. Step 2: Convert to fraction form
    31,790.61/43,871.63 = 17,644.23/x
  3. Step 3: Cross multiply
    31,790.61x = 43,871.63 × 17,644.23
  4. Step 4: Simplify right side
    31,790.61x = 774,081,041.97
  5. Step 5: Solve for x
    x = 774,081,041.97/31,790.61
  6. Step 6: Final answer
    x = 24,349.36

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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.