Home / 34,072.40-47,019.57-18,964.82

Finding the Fourth Proportional to 34,072.40, 47,019.57 and 18,964.82

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Solution

The fourth proportional to 34,072.40, 47,019.57 and 18,964.82 is: 26,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.40 : 47,019.57 = 18,964.82 : x
  2. Step 2: Convert to fraction form
    34,072.40/47,019.57 = 18,964.82/x
  3. Step 3: Cross multiply
    34,072.40x = 47,019.57 × 18,964.82
  4. Step 4: Simplify right side
    34,072.40x = 891,717,681.53
  5. Step 5: Solve for x
    x = 891,717,681.53/34,072.40
  6. Step 6: Final answer
    x = 26,171.26

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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.