Home / 34,278.05-47,300.45-19,168.61

Finding the Fourth Proportional to 34,278.05, 47,300.45 and 19,168.61

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Solution

The fourth proportional to 34,278.05, 47,300.45 and 19,168.61 is: 26,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.05 : 47,300.45 = 19,168.61 : x
  2. Step 2: Convert to fraction form
    34,278.05/47,300.45 = 19,168.61/x
  3. Step 3: Cross multiply
    34,278.05x = 47,300.45 × 19,168.61
  4. Step 4: Simplify right side
    34,278.05x = 906,683,546.53
  5. Step 5: Solve for x
    x = 906,683,546.53/34,278.05
  6. Step 6: Final answer
    x = 26,450.85

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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.