Home / 69,260.86-103,898.78-21,877.18

Finding the Fourth Proportional to 69,260.86, 103,898.78 and 21,877.18

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Solution

The fourth proportional to 69,260.86, 103,898.78 and 21,877.18 is: 32,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,260.86 : 103,898.78 = 21,877.18 : x
  2. Step 2: Convert to fraction form
    69,260.86/103,898.78 = 21,877.18/x
  3. Step 3: Cross multiply
    69,260.86x = 103,898.78 × 21,877.18
  4. Step 4: Simplify right side
    69,260.86x = 2,273,012,311.84
  5. Step 5: Solve for x
    x = 2,273,012,311.84/69,260.86
  6. Step 6: Final answer
    x = 32,818.14

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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.