Home / 36,868.74-50,866.83-21,756.30

Finding the Fourth Proportional to 36,868.74, 50,866.83 and 21,756.30

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Solution

The fourth proportional to 36,868.74, 50,866.83 and 21,756.30 is: 30,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.74 : 50,866.83 = 21,756.30 : x
  2. Step 2: Convert to fraction form
    36,868.74/50,866.83 = 21,756.30/x
  3. Step 3: Cross multiply
    36,868.74x = 50,866.83 × 21,756.30
  4. Step 4: Simplify right side
    36,868.74x = 1,106,674,013.53
  5. Step 5: Solve for x
    x = 1,106,674,013.53/36,868.74
  6. Step 6: Final answer
    x = 30,016.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.