Home / 34,342.44-47,389.38-19,438.44

Finding the Fourth Proportional to 34,342.44, 47,389.38 and 19,438.44

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Solution

The fourth proportional to 34,342.44, 47,389.38 and 19,438.44 is: 26,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,342.44 : 47,389.38 = 19,438.44 : x
  2. Step 2: Convert to fraction form
    34,342.44/47,389.38 = 19,438.44/x
  3. Step 3: Cross multiply
    34,342.44x = 47,389.38 × 19,438.44
  4. Step 4: Simplify right side
    34,342.44x = 921,175,619.77
  5. Step 5: Solve for x
    x = 921,175,619.77/34,342.44
  6. Step 6: Final answer
    x = 26,823.24

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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.