Home / 66,252.90-99,379.94-18,867.95

Finding the Fourth Proportional to 66,252.90, 99,379.94 and 18,867.95

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Solution

The fourth proportional to 66,252.90, 99,379.94 and 18,867.95 is: 28,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.90 : 99,379.94 = 18,867.95 : x
  2. Step 2: Convert to fraction form
    66,252.90/99,379.94 = 18,867.95/x
  3. Step 3: Cross multiply
    66,252.90x = 99,379.94 × 18,867.95
  4. Step 4: Simplify right side
    66,252.90x = 1,875,095,661.87
  5. Step 5: Solve for x
    x = 1,875,095,661.87/66,252.90
  6. Step 6: Final answer
    x = 28,302.09

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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.