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Finding the Fourth Proportional to 66,842.10, 100,259.46 and 22,464.27

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Solution

The fourth proportional to 66,842.10, 100,259.46 and 22,464.27 is: 33,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,842.10 : 100,259.46 = 22,464.27 : x
  2. Step 2: Convert to fraction form
    66,842.10/100,259.46 = 22,464.27/x
  3. Step 3: Cross multiply
    66,842.10x = 100,259.46 × 22,464.27
  4. Step 4: Simplify right side
    66,842.10x = 2,252,255,579.49
  5. Step 5: Solve for x
    x = 2,252,255,579.49/66,842.10
  6. Step 6: Final answer
    x = 33,695.16

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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.