Home / 34,216.61-51,332.13-12,869.46

Finding the Fourth Proportional to 34,216.61, 51,332.13 and 12,869.46

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Solution

The fourth proportional to 34,216.61, 51,332.13 and 12,869.46 is: 19,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,216.61 : 51,332.13 = 12,869.46 : x
  2. Step 2: Convert to fraction form
    34,216.61/51,332.13 = 12,869.46/x
  3. Step 3: Cross multiply
    34,216.61x = 51,332.13 × 12,869.46
  4. Step 4: Simplify right side
    34,216.61x = 660,616,793.75
  5. Step 5: Solve for x
    x = 660,616,793.75/34,216.61
  6. Step 6: Final answer
    x = 19,306.91

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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.