Home / 34,258.56-47,276.10-19,150.80

Finding the Fourth Proportional to 34,258.56, 47,276.10 and 19,150.80

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Solution

The fourth proportional to 34,258.56, 47,276.10 and 19,150.80 is: 26,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258.56 : 47,276.10 = 19,150.80 : x
  2. Step 2: Convert to fraction form
    34,258.56/47,276.10 = 19,150.80/x
  3. Step 3: Cross multiply
    34,258.56x = 47,276.10 × 19,150.80
  4. Step 4: Simplify right side
    34,258.56x = 905,375,135.88
  5. Step 5: Solve for x
    x = 905,375,135.88/34,258.56
  6. Step 6: Final answer
    x = 26,427.71

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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.