Home / 31,999.40-44,158.43-17,660.37

Finding the Fourth Proportional to 31,999.40, 44,158.43 and 17,660.37

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Solution

The fourth proportional to 31,999.40, 44,158.43 and 17,660.37 is: 24,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999.40 : 44,158.43 = 17,660.37 : x
  2. Step 2: Convert to fraction form
    31,999.40/44,158.43 = 17,660.37/x
  3. Step 3: Cross multiply
    31,999.40x = 44,158.43 × 17,660.37
  4. Step 4: Simplify right side
    31,999.40x = 779,854,148.93
  5. Step 5: Solve for x
    x = 779,854,148.93/31,999.40
  6. Step 6: Final answer
    x = 24,370.90

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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.