Home / 21,175.02-31,674.24-19,600.38

Finding the Fourth Proportional to 21,175.02, 31,674.24 and 19,600.38

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Solution

The fourth proportional to 21,175.02, 31,674.24 and 19,600.38 is: 29,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175.02 : 31,674.24 = 19,600.38 : x
  2. Step 2: Convert to fraction form
    21,175.02/31,674.24 = 19,600.38/x
  3. Step 3: Cross multiply
    21,175.02x = 31,674.24 × 19,600.38
  4. Step 4: Simplify right side
    21,175.02x = 620,827,140.21
  5. Step 5: Solve for x
    x = 620,827,140.21/21,175.02
  6. Step 6: Final answer
    x = 29,318.85

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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.