Home / 66,511.55-99,680.69-27,022.50

Finding the Fourth Proportional to 66,511.55, 99,680.69 and 27,022.50

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Solution

The fourth proportional to 66,511.55, 99,680.69 and 27,022.50 is: 40,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.55 : 99,680.69 = 27,022.50 : x
  2. Step 2: Convert to fraction form
    66,511.55/99,680.69 = 27,022.50/x
  3. Step 3: Cross multiply
    66,511.55x = 99,680.69 × 27,022.50
  4. Step 4: Simplify right side
    66,511.55x = 2,693,621,513.08
  5. Step 5: Solve for x
    x = 2,693,621,513.08/66,511.55
  6. Step 6: Final answer
    x = 40,498.55

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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.