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Finding the Fourth Proportional to 34,644.60, 51,966.90 and 34,126.20

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Solution

The fourth proportional to 34,644.60, 51,966.90 and 34,126.20 is: 51,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.60 : 51,966.90 = 34,126.20 : x
  2. Step 2: Convert to fraction form
    34,644.60/51,966.90 = 34,126.20/x
  3. Step 3: Cross multiply
    34,644.60x = 51,966.90 × 34,126.20
  4. Step 4: Simplify right side
    34,644.60x = 1,773,432,822.78
  5. Step 5: Solve for x
    x = 1,773,432,822.78/34,644.60
  6. Step 6: Final answer
    x = 51,189.30

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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.