Home / 31,325.91-43,230.61-17,899.35

Finding the Fourth Proportional to 31,325.91, 43,230.61 and 17,899.35

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Solution

The fourth proportional to 31,325.91, 43,230.61 and 17,899.35 is: 24,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.91 : 43,230.61 = 17,899.35 : x
  2. Step 2: Convert to fraction form
    31,325.91/43,230.61 = 17,899.35/x
  3. Step 3: Cross multiply
    31,325.91x = 43,230.61 × 17,899.35
  4. Step 4: Simplify right side
    31,325.91x = 773,799,819.10
  5. Step 5: Solve for x
    x = 773,799,819.10/31,325.91
  6. Step 6: Final answer
    x = 24,701.59

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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.