Home / 32,933.70-49,400.55-21,123.90

Finding the Fourth Proportional to 32,933.70, 49,400.55 and 21,123.90

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Solution

The fourth proportional to 32,933.70, 49,400.55 and 21,123.90 is: 31,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,933.70 : 49,400.55 = 21,123.90 : x
  2. Step 2: Convert to fraction form
    32,933.70/49,400.55 = 21,123.90/x
  3. Step 3: Cross multiply
    32,933.70x = 49,400.55 × 21,123.90
  4. Step 4: Simplify right side
    32,933.70x = 1,043,532,278.15
  5. Step 5: Solve for x
    x = 1,043,532,278.15/32,933.70
  6. Step 6: Final answer
    x = 31,685.85

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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.