Home / 57,070.74-85,616.82-17,618.60

Finding the Fourth Proportional to 57,070.74, 85,616.82 and 17,618.60

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Solution

The fourth proportional to 57,070.74, 85,616.82 and 17,618.60 is: 26,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.74 : 85,616.82 = 17,618.60 : x
  2. Step 2: Convert to fraction form
    57,070.74/85,616.82 = 17,618.60/x
  3. Step 3: Cross multiply
    57,070.74x = 85,616.82 × 17,618.60
  4. Step 4: Simplify right side
    57,070.74x = 1,508,448,504.85
  5. Step 5: Solve for x
    x = 1,508,448,504.85/57,070.74
  6. Step 6: Final answer
    x = 26,431.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.