Home / 65,717.25-90,689.94-37,422.96

Finding the Fourth Proportional to 65,717.25, 90,689.94 and 37,422.96

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Solution

The fourth proportional to 65,717.25, 90,689.94 and 37,422.96 is: 51,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.25 : 90,689.94 = 37,422.96 : x
  2. Step 2: Convert to fraction form
    65,717.25/90,689.94 = 37,422.96/x
  3. Step 3: Cross multiply
    65,717.25x = 90,689.94 × 37,422.96
  4. Step 4: Simplify right side
    65,717.25x = 3,393,885,997.02
  5. Step 5: Solve for x
    x = 3,393,885,997.02/65,717.25
  6. Step 6: Final answer
    x = 51,643.76

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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.