Home / 66,546.69-99,824.91-19,159.86

Finding the Fourth Proportional to 66,546.69, 99,824.91 and 19,159.86

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Solution

The fourth proportional to 66,546.69, 99,824.91 and 19,159.86 is: 28,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546.69 : 99,824.91 = 19,159.86 : x
  2. Step 2: Convert to fraction form
    66,546.69/99,824.91 = 19,159.86/x
  3. Step 3: Cross multiply
    66,546.69x = 99,824.91 × 19,159.86
  4. Step 4: Simplify right side
    66,546.69x = 1,912,631,300.11
  5. Step 5: Solve for x
    x = 1,912,631,300.11/66,546.69
  6. Step 6: Final answer
    x = 28,741.19

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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.