Home / 66,748.44-92,108.64-39,882.36

Finding the Fourth Proportional to 66,748.44, 92,108.64 and 39,882.36

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Solution

The fourth proportional to 66,748.44, 92,108.64 and 39,882.36 is: 55,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748.44 : 92,108.64 = 39,882.36 : x
  2. Step 2: Convert to fraction form
    66,748.44/92,108.64 = 39,882.36/x
  3. Step 3: Cross multiply
    66,748.44x = 92,108.64 × 39,882.36
  4. Step 4: Simplify right side
    66,748.44x = 3,673,509,939.59
  5. Step 5: Solve for x
    x = 3,673,509,939.59/66,748.44
  6. Step 6: Final answer
    x = 55,035.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.