Home / 65,617.09-90,553.29-36,937.80

Finding the Fourth Proportional to 65,617.09, 90,553.29 and 36,937.80

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Solution

The fourth proportional to 65,617.09, 90,553.29 and 36,937.80 is: 50,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.09 : 90,553.29 = 36,937.80 : x
  2. Step 2: Convert to fraction form
    65,617.09/90,553.29 = 36,937.80/x
  3. Step 3: Cross multiply
    65,617.09x = 90,553.29 × 36,937.80
  4. Step 4: Simplify right side
    65,617.09x = 3,344,839,129.94
  5. Step 5: Solve for x
    x = 3,344,839,129.94/65,617.09
  6. Step 6: Final answer
    x = 50,975.12

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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.