Home / 30,167.52-45,273.17-21,224.04

Finding the Fourth Proportional to 30,167.52, 45,273.17 and 21,224.04

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Solution

The fourth proportional to 30,167.52, 45,273.17 and 21,224.04 is: 31,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.52 : 45,273.17 = 21,224.04 : x
  2. Step 2: Convert to fraction form
    30,167.52/45,273.17 = 21,224.04/x
  3. Step 3: Cross multiply
    30,167.52x = 45,273.17 × 21,224.04
  4. Step 4: Simplify right side
    30,167.52x = 960,879,571.01
  5. Step 5: Solve for x
    x = 960,879,571.01/30,167.52
  6. Step 6: Final answer
    x = 31,851.46

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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.