Home / 39,070.82-53,861.22-25,618.75

Finding the Fourth Proportional to 39,070.82, 53,861.22 and 25,618.75

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Solution

The fourth proportional to 39,070.82, 53,861.22 and 25,618.75 is: 35,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.82 : 53,861.22 = 25,618.75 : x
  2. Step 2: Convert to fraction form
    39,070.82/53,861.22 = 25,618.75/x
  3. Step 3: Cross multiply
    39,070.82x = 53,861.22 × 25,618.75
  4. Step 4: Simplify right side
    39,070.82x = 1,379,856,995.22
  5. Step 5: Solve for x
    x = 1,379,856,995.22/39,070.82
  6. Step 6: Final answer
    x = 35,316.81

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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.