Home / 34,522.48-47,642.75-19,419.90

Finding the Fourth Proportional to 34,522.48, 47,642.75 and 19,419.90

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Solution

The fourth proportional to 34,522.48, 47,642.75 and 19,419.90 is: 26,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,522.48 : 47,642.75 = 19,419.90 : x
  2. Step 2: Convert to fraction form
    34,522.48/47,642.75 = 19,419.90/x
  3. Step 3: Cross multiply
    34,522.48x = 47,642.75 × 19,419.90
  4. Step 4: Simplify right side
    34,522.48x = 925,217,440.73
  5. Step 5: Solve for x
    x = 925,217,440.73/34,522.48
  6. Step 6: Final answer
    x = 26,800.43

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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.