Home / 68,684.18-103,041.01-21,298.26

Finding the Fourth Proportional to 68,684.18, 103,041.01 and 21,298.26

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Solution

The fourth proportional to 68,684.18, 103,041.01 and 21,298.26 is: 31,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,684.18 : 103,041.01 = 21,298.26 : x
  2. Step 2: Convert to fraction form
    68,684.18/103,041.01 = 21,298.26/x
  3. Step 3: Cross multiply
    68,684.18x = 103,041.01 × 21,298.26
  4. Step 4: Simplify right side
    68,684.18x = 2,194,593,679.81
  5. Step 5: Solve for x
    x = 2,194,593,679.81/68,684.18
  6. Step 6: Final answer
    x = 31,951.95

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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.