Home / 34,747.28-47,948.36-19,641.28

Finding the Fourth Proportional to 34,747.28, 47,948.36 and 19,641.28

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Solution

The fourth proportional to 34,747.28, 47,948.36 and 19,641.28 is: 27,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.28 : 47,948.36 = 19,641.28 : x
  2. Step 2: Convert to fraction form
    34,747.28/47,948.36 = 19,641.28/x
  3. Step 3: Cross multiply
    34,747.28x = 47,948.36 × 19,641.28
  4. Step 4: Simplify right side
    34,747.28x = 941,767,164.30
  5. Step 5: Solve for x
    x = 941,767,164.30/34,747.28
  6. Step 6: Final answer
    x = 27,103.33

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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.