Home / 34,072.28-47,019.38-18,964.70

Finding the Fourth Proportional to 34,072.28, 47,019.38 and 18,964.70

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Solution

The fourth proportional to 34,072.28, 47,019.38 and 18,964.70 is: 26,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.28 : 47,019.38 = 18,964.70 : x
  2. Step 2: Convert to fraction form
    34,072.28/47,019.38 = 18,964.70/x
  3. Step 3: Cross multiply
    34,072.28x = 47,019.38 × 18,964.70
  4. Step 4: Simplify right side
    34,072.28x = 891,708,365.75
  5. Step 5: Solve for x
    x = 891,708,365.75/34,072.28
  6. Step 6: Final answer
    x = 26,171.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.