Home / 20,088.36-30,161.70-14,839.56

Finding the Fourth Proportional to 20,088.36, 30,161.70 and 14,839.56

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Solution

The fourth proportional to 20,088.36, 30,161.70 and 14,839.56 is: 22,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.36 : 30,161.70 = 14,839.56 : x
  2. Step 2: Convert to fraction form
    20,088.36/30,161.70 = 14,839.56/x
  3. Step 3: Cross multiply
    20,088.36x = 30,161.70 × 14,839.56
  4. Step 4: Simplify right side
    20,088.36x = 447,586,356.85
  5. Step 5: Solve for x
    x = 447,586,356.85/20,088.36
  6. Step 6: Final answer
    x = 22,280.88

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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.