Home / 20,290.41-30,441.83-9,625.01

Finding the Fourth Proportional to 20,290.41, 30,441.83 and 9,625.01

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Solution

The fourth proportional to 20,290.41, 30,441.83 and 9,625.01 is: 14,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290.41 : 30,441.83 = 9,625.01 : x
  2. Step 2: Convert to fraction form
    20,290.41/30,441.83 = 9,625.01/x
  3. Step 3: Cross multiply
    20,290.41x = 30,441.83 × 9,625.01
  4. Step 4: Simplify right side
    20,290.41x = 293,002,717.83
  5. Step 5: Solve for x
    x = 293,002,717.83/20,290.41
  6. Step 6: Final answer
    x = 14,440.45

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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.