Home / 56,852.36-85,287.57-18,902.97

Finding the Fourth Proportional to 56,852.36, 85,287.57 and 18,902.97

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Solution

The fourth proportional to 56,852.36, 85,287.57 and 18,902.97 is: 28,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.36 : 85,287.57 = 18,902.97 : x
  2. Step 2: Convert to fraction form
    56,852.36/85,287.57 = 18,902.97/x
  3. Step 3: Cross multiply
    56,852.36x = 85,287.57 × 18,902.97
  4. Step 4: Simplify right side
    56,852.36x = 1,612,188,377.08
  5. Step 5: Solve for x
    x = 1,612,188,377.08/56,852.36
  6. Step 6: Final answer
    x = 28,357.46

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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.