Home / 57,388.82-79,175.01-42,317.48

Finding the Fourth Proportional to 57,388.82, 79,175.01 and 42,317.48

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Solution

The fourth proportional to 57,388.82, 79,175.01 and 42,317.48 is: 58,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.82 : 79,175.01 = 42,317.48 : x
  2. Step 2: Convert to fraction form
    57,388.82/79,175.01 = 42,317.48/x
  3. Step 3: Cross multiply
    57,388.82x = 79,175.01 × 42,317.48
  4. Step 4: Simplify right side
    57,388.82x = 3,350,486,902.17
  5. Step 5: Solve for x
    x = 3,350,486,902.17/57,388.82
  6. Step 6: Final answer
    x = 58,382.22

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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.