Home / 34,134.48-47,105.80-19,028.12

Finding the Fourth Proportional to 34,134.48, 47,105.80 and 19,028.12

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Solution

The fourth proportional to 34,134.48, 47,105.80 and 19,028.12 is: 26,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,134.48 : 47,105.80 = 19,028.12 : x
  2. Step 2: Convert to fraction form
    34,134.48/47,105.80 = 19,028.12/x
  3. Step 3: Cross multiply
    34,134.48x = 47,105.80 × 19,028.12
  4. Step 4: Simplify right side
    34,134.48x = 896,334,815.10
  5. Step 5: Solve for x
    x = 896,334,815.10/34,134.48
  6. Step 6: Final answer
    x = 26,258.93

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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.