Home / 31,152.60-42,988.22-17,005.44

Finding the Fourth Proportional to 31,152.60, 42,988.22 and 17,005.44

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Solution

The fourth proportional to 31,152.60, 42,988.22 and 17,005.44 is: 23,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152.60 : 42,988.22 = 17,005.44 : x
  2. Step 2: Convert to fraction form
    31,152.60/42,988.22 = 17,005.44/x
  3. Step 3: Cross multiply
    31,152.60x = 42,988.22 × 17,005.44
  4. Step 4: Simplify right side
    31,152.60x = 731,033,735.87
  5. Step 5: Solve for x
    x = 731,033,735.87/31,152.60
  6. Step 6: Final answer
    x = 23,466.22

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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.