Home / 66,214.22-99,335.02-21,843.68

Finding the Fourth Proportional to 66,214.22, 99,335.02 and 21,843.68

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Solution

The fourth proportional to 66,214.22, 99,335.02 and 21,843.68 is: 32,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,214.22 : 99,335.02 = 21,843.68 : x
  2. Step 2: Convert to fraction form
    66,214.22/99,335.02 = 21,843.68/x
  3. Step 3: Cross multiply
    66,214.22x = 99,335.02 × 21,843.68
  4. Step 4: Simplify right side
    66,214.22x = 2,169,842,389.67
  5. Step 5: Solve for x
    x = 2,169,842,389.67/66,214.22
  6. Step 6: Final answer
    x = 32,770.04

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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.