Home / 24,529.70-36,751.35-20,123.30

Finding the Fourth Proportional to 24,529.70, 36,751.35 and 20,123.30

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Solution

The fourth proportional to 24,529.70, 36,751.35 and 20,123.30 is: 30,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,529.70 : 36,751.35 = 20,123.30 : x
  2. Step 2: Convert to fraction form
    24,529.70/36,751.35 = 20,123.30/x
  3. Step 3: Cross multiply
    24,529.70x = 36,751.35 × 20,123.30
  4. Step 4: Simplify right side
    24,529.70x = 739,558,441.46
  5. Step 5: Solve for x
    x = 739,558,441.46/24,529.70
  6. Step 6: Final answer
    x = 30,149.51

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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.