Home / 69,216.32-103,787.36-21,822.56

Finding the Fourth Proportional to 69,216.32, 103,787.36 and 21,822.56

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Solution

The fourth proportional to 69,216.32, 103,787.36 and 21,822.56 is: 32,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,216.32 : 103,787.36 = 21,822.56 : x
  2. Step 2: Convert to fraction form
    69,216.32/103,787.36 = 21,822.56/x
  3. Step 3: Cross multiply
    69,216.32x = 103,787.36 × 21,822.56
  4. Step 4: Simplify right side
    69,216.32x = 2,264,905,890.84
  5. Step 5: Solve for x
    x = 2,264,905,890.84/69,216.32
  6. Step 6: Final answer
    x = 32,722.14

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1.5x scale

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.