Home / 34,102.20-51,153.30-9,142.20

Finding the Fourth Proportional to 34,102.20, 51,153.30 and 9,142.20

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Solution

The fourth proportional to 34,102.20, 51,153.30 and 9,142.20 is: 13,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,102.20 : 51,153.30 = 9,142.20 : x
  2. Step 2: Convert to fraction form
    34,102.20/51,153.30 = 9,142.20/x
  3. Step 3: Cross multiply
    34,102.20x = 51,153.30 × 9,142.20
  4. Step 4: Simplify right side
    34,102.20x = 467,653,699.26
  5. Step 5: Solve for x
    x = 467,653,699.26/34,102.20
  6. Step 6: Final answer
    x = 13,713.30

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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.