Home / 31,172.23-43,015.62-17,744.86

Finding the Fourth Proportional to 31,172.23, 43,015.62 and 17,744.86

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Solution

The fourth proportional to 31,172.23, 43,015.62 and 17,744.86 is: 24,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.23 : 43,015.62 = 17,744.86 : x
  2. Step 2: Convert to fraction form
    31,172.23/43,015.62 = 17,744.86/x
  3. Step 3: Cross multiply
    31,172.23x = 43,015.62 × 17,744.86
  4. Step 4: Simplify right side
    31,172.23x = 763,306,154.71
  5. Step 5: Solve for x
    x = 763,306,154.71/31,172.23
  6. Step 6: Final answer
    x = 24,486.74

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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.