Home / 66,187.43-91,339.35-35,972.75

Finding the Fourth Proportional to 66,187.43, 91,339.35 and 35,972.75

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Solution

The fourth proportional to 66,187.43, 91,339.35 and 35,972.75 is: 49,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,187.43 : 91,339.35 = 35,972.75 : x
  2. Step 2: Convert to fraction form
    66,187.43/91,339.35 = 35,972.75/x
  3. Step 3: Cross multiply
    66,187.43x = 91,339.35 × 35,972.75
  4. Step 4: Simplify right side
    66,187.43x = 3,285,726,966.15
  5. Step 5: Solve for x
    x = 3,285,726,966.15/66,187.43
  6. Step 6: Final answer
    x = 49,642.77

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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.