Home / 39,243.20-58,856.49-12,941.69

Finding the Fourth Proportional to 39,243.20, 58,856.49 and 12,941.69

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Solution

The fourth proportional to 39,243.20, 58,856.49 and 12,941.69 is: 19,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.20 : 58,856.49 = 12,941.69 : x
  2. Step 2: Convert to fraction form
    39,243.20/58,856.49 = 12,941.69/x
  3. Step 3: Cross multiply
    39,243.20x = 58,856.49 × 12,941.69
  4. Step 4: Simplify right side
    39,243.20x = 761,702,153.79
  5. Step 5: Solve for x
    x = 761,702,153.79/39,243.20
  6. Step 6: Final answer
    x = 19,409.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.