Home / 34,135.36-51,158.40-19,350.88

Finding the Fourth Proportional to 34,135.36, 51,158.40 and 19,350.88

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Solution

The fourth proportional to 34,135.36, 51,158.40 and 19,350.88 is: 29,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.36 : 51,158.40 = 19,350.88 : x
  2. Step 2: Convert to fraction form
    34,135.36/51,158.40 = 19,350.88/x
  3. Step 3: Cross multiply
    34,135.36x = 51,158.40 × 19,350.88
  4. Step 4: Simplify right side
    34,135.36x = 989,960,059.39
  5. Step 5: Solve for x
    x = 989,960,059.39/34,135.36
  6. Step 6: Final answer
    x = 29,001.01

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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.