Home / 39,119.24-58,687.02-12,821.91

Finding the Fourth Proportional to 39,119.24, 58,687.02 and 12,821.91

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Solution

The fourth proportional to 39,119.24, 58,687.02 and 12,821.91 is: 19,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.24 : 58,687.02 = 12,821.91 : x
  2. Step 2: Convert to fraction form
    39,119.24/58,687.02 = 12,821.91/x
  3. Step 3: Cross multiply
    39,119.24x = 58,687.02 × 12,821.91
  4. Step 4: Simplify right side
    39,119.24x = 752,479,688.61
  5. Step 5: Solve for x
    x = 752,479,688.61/39,119.24
  6. Step 6: Final answer
    x = 19,235.54

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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.