Home / 20,061.43-30,047.74-13,721.25

Finding the Fourth Proportional to 20,061.43, 30,047.74 and 13,721.25

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Solution

The fourth proportional to 20,061.43, 30,047.74 and 13,721.25 is: 20,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.43 : 30,047.74 = 13,721.25 : x
  2. Step 2: Convert to fraction form
    20,061.43/30,047.74 = 13,721.25/x
  3. Step 3: Cross multiply
    20,061.43x = 30,047.74 × 13,721.25
  4. Step 4: Simplify right side
    20,061.43x = 412,292,552.48
  5. Step 5: Solve for x
    x = 412,292,552.48/20,061.43
  6. Step 6: Final answer
    x = 20,551.50

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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.