Home / 34,391.05-47,439.49-21,624.00

Finding the Fourth Proportional to 34,391.05, 47,439.49 and 21,624.00

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Solution

The fourth proportional to 34,391.05, 47,439.49 and 21,624.00 is: 29,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.05 : 47,439.49 = 21,624.00 : x
  2. Step 2: Convert to fraction form
    34,391.05/47,439.49 = 21,624.00/x
  3. Step 3: Cross multiply
    34,391.05x = 47,439.49 × 21,624.00
  4. Step 4: Simplify right side
    34,391.05x = 1,025,831,299.80
  5. Step 5: Solve for x
    x = 1,025,831,299.80/34,391.05
  6. Step 6: Final answer
    x = 29,828.44

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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.