Home / 65,307.20-90,131.49-36,634.73

Finding the Fourth Proportional to 65,307.20, 90,131.49 and 36,634.73

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Solution

The fourth proportional to 65,307.20, 90,131.49 and 36,634.73 is: 50,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,307.20 : 90,131.49 = 36,634.73 : x
  2. Step 2: Convert to fraction form
    65,307.20/90,131.49 = 36,634.73/x
  3. Step 3: Cross multiply
    65,307.20x = 90,131.49 × 36,634.73
  4. Step 4: Simplify right side
    65,307.20x = 3,301,942,349.99
  5. Step 5: Solve for x
    x = 3,301,942,349.99/65,307.20
  6. Step 6: Final answer
    x = 50,560.16

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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.