Home / 20,030.82-30,071.70-16,340.28

Finding the Fourth Proportional to 20,030.82, 30,071.70 and 16,340.28

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Solution

The fourth proportional to 20,030.82, 30,071.70 and 16,340.28 is: 24,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.82 : 30,071.70 = 16,340.28 : x
  2. Step 2: Convert to fraction form
    20,030.82/30,071.70 = 16,340.28/x
  3. Step 3: Cross multiply
    20,030.82x = 30,071.70 × 16,340.28
  4. Step 4: Simplify right side
    20,030.82x = 491,379,998.08
  5. Step 5: Solve for x
    x = 491,379,998.08/20,030.82
  6. Step 6: Final answer
    x = 24,531.20

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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.