Home / 34,155.97-47,135.51-19,049.60

Finding the Fourth Proportional to 34,155.97, 47,135.51 and 19,049.60

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Solution

The fourth proportional to 34,155.97, 47,135.51 and 19,049.60 is: 26,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155.97 : 47,135.51 = 19,049.60 : x
  2. Step 2: Convert to fraction form
    34,155.97/47,135.51 = 19,049.60/x
  3. Step 3: Cross multiply
    34,155.97x = 47,135.51 × 19,049.60
  4. Step 4: Simplify right side
    34,155.97x = 897,912,705.32
  5. Step 5: Solve for x
    x = 897,912,705.32/34,155.97
  6. Step 6: Final answer
    x = 26,288.60

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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.