Home / 66,578.82-99,888.30-38,492.52

Finding the Fourth Proportional to 66,578.82, 99,888.30 and 38,492.52

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Solution

The fourth proportional to 66,578.82, 99,888.30 and 38,492.52 is: 57,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,578.82 : 99,888.30 = 38,492.52 : x
  2. Step 2: Convert to fraction form
    66,578.82/99,888.30 = 38,492.52/x
  3. Step 3: Cross multiply
    66,578.82x = 99,888.30 × 38,492.52
  4. Step 4: Simplify right side
    66,578.82x = 3,844,952,385.52
  5. Step 5: Solve for x
    x = 3,844,952,385.52/66,578.82
  6. Step 6: Final answer
    x = 57,750.38

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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.