Home / 31,160.60-43,003.28-17,013.50

Finding the Fourth Proportional to 31,160.60, 43,003.28 and 17,013.50

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Solution

The fourth proportional to 31,160.60, 43,003.28 and 17,013.50 is: 23,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.60 : 43,003.28 = 17,013.50 : x
  2. Step 2: Convert to fraction form
    31,160.60/43,003.28 = 17,013.50/x
  3. Step 3: Cross multiply
    31,160.60x = 43,003.28 × 17,013.50
  4. Step 4: Simplify right side
    31,160.60x = 731,636,219.21
  5. Step 5: Solve for x
    x = 731,636,219.21/31,160.60
  6. Step 6: Final answer
    x = 23,479.53

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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.