Home / 66,935.45-100,339.38-22,539.35

Finding the Fourth Proportional to 66,935.45, 100,339.38 and 22,539.35

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Solution

The fourth proportional to 66,935.45, 100,339.38 and 22,539.35 is: 33,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.45 : 100,339.38 = 22,539.35 : x
  2. Step 2: Convert to fraction form
    66,935.45/100,339.38 = 22,539.35/x
  3. Step 3: Cross multiply
    66,935.45x = 100,339.38 × 22,539.35
  4. Step 4: Simplify right side
    66,935.45x = 2,261,583,902.91
  5. Step 5: Solve for x
    x = 2,261,583,902.91/66,935.45
  6. Step 6: Final answer
    x = 33,787.54

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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.