Home / 66,425.92-91,664.38-37,741.84

Finding the Fourth Proportional to 66,425.92, 91,664.38 and 37,741.84

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Solution

The fourth proportional to 66,425.92, 91,664.38 and 37,741.84 is: 52,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425.92 : 91,664.38 = 37,741.84 : x
  2. Step 2: Convert to fraction form
    66,425.92/91,664.38 = 37,741.84/x
  3. Step 3: Cross multiply
    66,425.92x = 91,664.38 × 37,741.84
  4. Step 4: Simplify right side
    66,425.92x = 3,459,582,363.66
  5. Step 5: Solve for x
    x = 3,459,582,363.66/66,425.92
  6. Step 6: Final answer
    x = 52,081.81

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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.