Home / 66,633.75-99,950.64-17,385.75

Finding the Fourth Proportional to 66,633.75, 99,950.64 and 17,385.75

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Solution

The fourth proportional to 66,633.75, 99,950.64 and 17,385.75 is: 26,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.75 : 99,950.64 = 17,385.75 : x
  2. Step 2: Convert to fraction form
    66,633.75/99,950.64 = 17,385.75/x
  3. Step 3: Cross multiply
    66,633.75x = 99,950.64 × 17,385.75
  4. Step 4: Simplify right side
    66,633.75x = 1,737,716,839.38
  5. Step 5: Solve for x
    x = 1,737,716,839.38/66,633.75
  6. Step 6: Final answer
    x = 26,078.63

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1.5x scale

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.