Home / 69,278.06-103,928.02-22,520

Finding the Fourth Proportional to 69,278.06, 103,928.02 and 22,520

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Solution

The fourth proportional to 69,278.06, 103,928.02 and 22,520 is: 33,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.06 : 103,928.02 = 22,520 : x
  2. Step 2: Convert to fraction form
    69,278.06/103,928.02 = 22,520/x
  3. Step 3: Cross multiply
    69,278.06x = 103,928.02 × 22,520
  4. Step 4: Simplify right side
    69,278.06x = 2,340,459,010.40
  5. Step 5: Solve for x
    x = 2,340,459,010.40/69,278.06
  6. Step 6: Final answer
    x = 33,783.55

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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.