Home / 31,444.20-43,391.97-18,697.37

Finding the Fourth Proportional to 31,444.20, 43,391.97 and 18,697.37

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Solution

The fourth proportional to 31,444.20, 43,391.97 and 18,697.37 is: 25,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,444.20 : 43,391.97 = 18,697.37 : x
  2. Step 2: Convert to fraction form
    31,444.20/43,391.97 = 18,697.37/x
  3. Step 3: Cross multiply
    31,444.20x = 43,391.97 × 18,697.37
  4. Step 4: Simplify right side
    31,444.20x = 811,315,501.16
  5. Step 5: Solve for x
    x = 811,315,501.16/31,444.20
  6. Step 6: Final answer
    x = 25,801.75

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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.