Home / 74,591.55-111,848.85-21,994.20

Finding the Fourth Proportional to 74,591.55, 111,848.85 and 21,994.20

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Solution

The fourth proportional to 74,591.55, 111,848.85 and 21,994.20 is: 32,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.55 : 111,848.85 = 21,994.20 : x
  2. Step 2: Convert to fraction form
    74,591.55/111,848.85 = 21,994.20/x
  3. Step 3: Cross multiply
    74,591.55x = 111,848.85 × 21,994.20
  4. Step 4: Simplify right side
    74,591.55x = 2,460,025,976.67
  5. Step 5: Solve for x
    x = 2,460,025,976.67/74,591.55
  6. Step 6: Final answer
    x = 32,979.96

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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.