Home / 61,713.36-85,163.81-34,855.79

Finding the Fourth Proportional to 61,713.36, 85,163.81 and 34,855.79

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Solution

The fourth proportional to 61,713.36, 85,163.81 and 34,855.79 is: 48,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,713.36 : 85,163.81 = 34,855.79 : x
  2. Step 2: Convert to fraction form
    61,713.36/85,163.81 = 34,855.79/x
  3. Step 3: Cross multiply
    61,713.36x = 85,163.81 × 34,855.79
  4. Step 4: Simplify right side
    61,713.36x = 2,968,451,276.86
  5. Step 5: Solve for x
    x = 2,968,451,276.86/61,713.36
  6. Step 6: Final answer
    x = 48,100.63

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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.