Home / 66,887.46-92,301.17-38,201.48

Finding the Fourth Proportional to 66,887.46, 92,301.17 and 38,201.48

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Solution

The fourth proportional to 66,887.46, 92,301.17 and 38,201.48 is: 52,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.46 : 92,301.17 = 38,201.48 : x
  2. Step 2: Convert to fraction form
    66,887.46/92,301.17 = 38,201.48/x
  3. Step 3: Cross multiply
    66,887.46x = 92,301.17 × 38,201.48
  4. Step 4: Simplify right side
    66,887.46x = 3,526,041,741.36
  5. Step 5: Solve for x
    x = 3,526,041,741.36/66,887.46
  6. Step 6: Final answer
    x = 52,716.03

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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.