Home / 69,220.38-103,742.28-33,690.15

Finding the Fourth Proportional to 69,220.38, 103,742.28 and 33,690.15

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Solution

The fourth proportional to 69,220.38, 103,742.28 and 33,690.15 is: 50,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,220.38 : 103,742.28 = 33,690.15 : x
  2. Step 2: Convert to fraction form
    69,220.38/103,742.28 = 33,690.15/x
  3. Step 3: Cross multiply
    69,220.38x = 103,742.28 × 33,690.15
  4. Step 4: Simplify right side
    69,220.38x = 3,495,092,974.54
  5. Step 5: Solve for x
    x = 3,495,092,974.54/69,220.38
  6. Step 6: Final answer
    x = 50,492.25

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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.