Home / 21,551.48-32,169.26-19,968.38

Finding the Fourth Proportional to 21,551.48, 32,169.26 and 19,968.38

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Solution

The fourth proportional to 21,551.48, 32,169.26 and 19,968.38 is: 29,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.48 : 32,169.26 = 19,968.38 : x
  2. Step 2: Convert to fraction form
    21,551.48/32,169.26 = 19,968.38/x
  3. Step 3: Cross multiply
    21,551.48x = 32,169.26 × 19,968.38
  4. Step 4: Simplify right side
    21,551.48x = 642,368,008.00
  5. Step 5: Solve for x
    x = 642,368,008.00/21,551.48
  6. Step 6: Final answer
    x = 29,806.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.