Home / 66,878.46-100,321.79-22,501.50

Finding the Fourth Proportional to 66,878.46, 100,321.79 and 22,501.50

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Solution

The fourth proportional to 66,878.46, 100,321.79 and 22,501.50 is: 33,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,878.46 : 100,321.79 = 22,501.50 : x
  2. Step 2: Convert to fraction form
    66,878.46/100,321.79 = 22,501.50/x
  3. Step 3: Cross multiply
    66,878.46x = 100,321.79 × 22,501.50
  4. Step 4: Simplify right side
    66,878.46x = 2,257,390,395.54
  5. Step 5: Solve for x
    x = 2,257,390,395.54/66,878.46
  6. Step 6: Final answer
    x = 33,753.62

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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.