Home / 66,174.48-99,282.24-21,202.56

Finding the Fourth Proportional to 66,174.48, 99,282.24 and 21,202.56

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Solution

The fourth proportional to 66,174.48, 99,282.24 and 21,202.56 is: 31,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174.48 : 99,282.24 = 21,202.56 : x
  2. Step 2: Convert to fraction form
    66,174.48/99,282.24 = 21,202.56/x
  3. Step 3: Cross multiply
    66,174.48x = 99,282.24 × 21,202.56
  4. Step 4: Simplify right side
    66,174.48x = 2,105,037,650.53
  5. Step 5: Solve for x
    x = 2,105,037,650.53/66,174.48
  6. Step 6: Final answer
    x = 31,810.41

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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.