Home / 34,121.40-51,182.10-33,430.20

Finding the Fourth Proportional to 34,121.40, 51,182.10 and 33,430.20

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Solution

The fourth proportional to 34,121.40, 51,182.10 and 33,430.20 is: 50,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.40 : 51,182.10 = 33,430.20 : x
  2. Step 2: Convert to fraction form
    34,121.40/51,182.10 = 33,430.20/x
  3. Step 3: Cross multiply
    34,121.40x = 51,182.10 × 33,430.20
  4. Step 4: Simplify right side
    34,121.40x = 1,711,027,839.42
  5. Step 5: Solve for x
    x = 1,711,027,839.42/34,121.40
  6. Step 6: Final answer
    x = 50,145.30

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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.