Home / 20,230.97-30,302.24-16,681.10

Finding the Fourth Proportional to 20,230.97, 30,302.24 and 16,681.10

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Solution

The fourth proportional to 20,230.97, 30,302.24 and 16,681.10 is: 24,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.97 : 30,302.24 = 16,681.10 : x
  2. Step 2: Convert to fraction form
    20,230.97/30,302.24 = 16,681.10/x
  3. Step 3: Cross multiply
    20,230.97x = 30,302.24 × 16,681.10
  4. Step 4: Simplify right side
    20,230.97x = 505,474,460.75
  5. Step 5: Solve for x
    x = 505,474,460.75/20,230.97
  6. Step 6: Final answer
    x = 24,985.19

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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.