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Finding the Fourth Proportional to 34,180.60, 51,270.90 and 22,430.20

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Solution

The fourth proportional to 34,180.60, 51,270.90 and 22,430.20 is: 33,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,180.60 : 51,270.90 = 22,430.20 : x
  2. Step 2: Convert to fraction form
    34,180.60/51,270.90 = 22,430.20/x
  3. Step 3: Cross multiply
    34,180.60x = 51,270.90 × 22,430.20
  4. Step 4: Simplify right side
    34,180.60x = 1,150,016,541.18
  5. Step 5: Solve for x
    x = 1,150,016,541.18/34,180.60
  6. Step 6: Final answer
    x = 33,645.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.