Home / 66,277.03-99,400.62-18,891.16

Finding the Fourth Proportional to 66,277.03, 99,400.62 and 18,891.16

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Solution

The fourth proportional to 66,277.03, 99,400.62 and 18,891.16 is: 28,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.03 : 99,400.62 = 18,891.16 : x
  2. Step 2: Convert to fraction form
    66,277.03/99,400.62 = 18,891.16/x
  3. Step 3: Cross multiply
    66,277.03x = 99,400.62 × 18,891.16
  4. Step 4: Simplify right side
    66,277.03x = 1,877,792,519.52
  5. Step 5: Solve for x
    x = 1,877,792,519.52/66,277.03
  6. Step 6: Final answer
    x = 28,332.48

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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.