Home / 66,290.08-99,411.44-21,908.64

Finding the Fourth Proportional to 66,290.08, 99,411.44 and 21,908.64

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Solution

The fourth proportional to 66,290.08, 99,411.44 and 21,908.64 is: 32,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,290.08 : 99,411.44 = 21,908.64 : x
  2. Step 2: Convert to fraction form
    66,290.08/99,411.44 = 21,908.64/x
  3. Step 3: Cross multiply
    66,290.08x = 99,411.44 × 21,908.64
  4. Step 4: Simplify right side
    66,290.08x = 2,177,969,450.84
  5. Step 5: Solve for x
    x = 2,177,969,450.84/66,290.08
  6. Step 6: Final answer
    x = 32,855.13

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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.