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Finding the Fourth Proportional to 66,807.68, 100,220.72 and 22,447.10

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Solution

The fourth proportional to 66,807.68, 100,220.72 and 22,447.10 is: 33,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807.68 : 100,220.72 = 22,447.10 : x
  2. Step 2: Convert to fraction form
    66,807.68/100,220.72 = 22,447.10/x
  3. Step 3: Cross multiply
    66,807.68x = 100,220.72 × 22,447.10
  4. Step 4: Simplify right side
    66,807.68x = 2,249,664,662.23
  5. Step 5: Solve for x
    x = 2,249,664,662.23/66,807.68
  6. Step 6: Final answer
    x = 33,673.75

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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.