Home / 31,930.16-44,064.72-18,501.44

Finding the Fourth Proportional to 31,930.16, 44,064.72 and 18,501.44

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Solution

The fourth proportional to 31,930.16, 44,064.72 and 18,501.44 is: 25,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.16 : 44,064.72 = 18,501.44 : x
  2. Step 2: Convert to fraction form
    31,930.16/44,064.72 = 18,501.44/x
  3. Step 3: Cross multiply
    31,930.16x = 44,064.72 × 18,501.44
  4. Step 4: Simplify right side
    31,930.16x = 815,260,773.20
  5. Step 5: Solve for x
    x = 815,260,773.20/31,930.16
  6. Step 6: Final answer
    x = 25,532.62

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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.