Home / 57,395.70-85,850.55-51,515.10

Finding the Fourth Proportional to 57,395.70, 85,850.55 and 51,515.10

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Solution

The fourth proportional to 57,395.70, 85,850.55 and 51,515.10 is: 77,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,395.70 : 85,850.55 = 51,515.10 : x
  2. Step 2: Convert to fraction form
    57,395.70/85,850.55 = 51,515.10/x
  3. Step 3: Cross multiply
    57,395.70x = 85,850.55 × 51,515.10
  4. Step 4: Simplify right side
    57,395.70x = 4,422,599,668.31
  5. Step 5: Solve for x
    x = 4,422,599,668.31/57,395.70
  6. Step 6: Final answer
    x = 77,054.55

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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.