Home / 59,339.21-81,911.73-38,929.04

Finding the Fourth Proportional to 59,339.21, 81,911.73 and 38,929.04

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Solution

The fourth proportional to 59,339.21, 81,911.73 and 38,929.04 is: 53,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,339.21 : 81,911.73 = 38,929.04 : x
  2. Step 2: Convert to fraction form
    59,339.21/81,911.73 = 38,929.04/x
  3. Step 3: Cross multiply
    59,339.21x = 81,911.73 × 38,929.04
  4. Step 4: Simplify right side
    59,339.21x = 3,188,744,604.08
  5. Step 5: Solve for x
    x = 3,188,744,604.08/59,339.21
  6. Step 6: Final answer
    x = 53,737.57

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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.