Home / 39,222.66-58,841.82-20,511.12

Finding the Fourth Proportional to 39,222.66, 58,841.82 and 20,511.12

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Solution

The fourth proportional to 39,222.66, 58,841.82 and 20,511.12 is: 30,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.66 : 58,841.82 = 20,511.12 : x
  2. Step 2: Convert to fraction form
    39,222.66/58,841.82 = 20,511.12/x
  3. Step 3: Cross multiply
    39,222.66x = 58,841.82 × 20,511.12
  4. Step 4: Simplify right side
    39,222.66x = 1,206,911,631.04
  5. Step 5: Solve for x
    x = 1,206,911,631.04/39,222.66
  6. Step 6: Final answer
    x = 30,770.77

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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.