Home / 66,212.22-99,332.01-21,841.68

Finding the Fourth Proportional to 66,212.22, 99,332.01 and 21,841.68

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Solution

The fourth proportional to 66,212.22, 99,332.01 and 21,841.68 is: 32,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.22 : 99,332.01 = 21,841.68 : x
  2. Step 2: Convert to fraction form
    66,212.22/99,332.01 = 21,841.68/x
  3. Step 3: Cross multiply
    66,212.22x = 99,332.01 × 21,841.68
  4. Step 4: Simplify right side
    66,212.22x = 2,169,577,976.18
  5. Step 5: Solve for x
    x = 2,169,577,976.18/66,212.22
  6. Step 6: Final answer
    x = 32,767.03

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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.