Home / 66,441.38-99,678.90-22,068.36

Finding the Fourth Proportional to 66,441.38, 99,678.90 and 22,068.36

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Solution

The fourth proportional to 66,441.38, 99,678.90 and 22,068.36 is: 33,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.38 : 99,678.90 = 22,068.36 : x
  2. Step 2: Convert to fraction form
    66,441.38/99,678.90 = 22,068.36/x
  3. Step 3: Cross multiply
    66,441.38x = 99,678.90 × 22,068.36
  4. Step 4: Simplify right side
    66,441.38x = 2,199,749,849.60
  5. Step 5: Solve for x
    x = 2,199,749,849.60/66,441.38
  6. Step 6: Final answer
    x = 33,108.13

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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.