Home / 34,107.75-47,055.33-21,355.65

Finding the Fourth Proportional to 34,107.75, 47,055.33 and 21,355.65

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Solution

The fourth proportional to 34,107.75, 47,055.33 and 21,355.65 is: 29,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.75 : 47,055.33 = 21,355.65 : x
  2. Step 2: Convert to fraction form
    34,107.75/47,055.33 = 21,355.65/x
  3. Step 3: Cross multiply
    34,107.75x = 47,055.33 × 21,355.65
  4. Step 4: Simplify right side
    34,107.75x = 1,004,897,158.11
  5. Step 5: Solve for x
    x = 1,004,897,158.11/34,107.75
  6. Step 6: Final answer
    x = 29,462.43

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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.