Home / 34,112.08-47,078.13-19,007.20

Finding the Fourth Proportional to 34,112.08, 47,078.13 and 19,007.20

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Solution

The fourth proportional to 34,112.08, 47,078.13 and 19,007.20 is: 26,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,112.08 : 47,078.13 = 19,007.20 : x
  2. Step 2: Convert to fraction form
    34,112.08/47,078.13 = 19,007.20/x
  3. Step 3: Cross multiply
    34,112.08x = 47,078.13 × 19,007.20
  4. Step 4: Simplify right side
    34,112.08x = 894,823,102.11
  5. Step 5: Solve for x
    x = 894,823,102.11/34,112.08
  6. Step 6: Final answer
    x = 26,231.86

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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.