Home / 56,899.50-85,357.36-30,238.54

Finding the Fourth Proportional to 56,899.50, 85,357.36 and 30,238.54

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Solution

The fourth proportional to 56,899.50, 85,357.36 and 30,238.54 is: 45,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,899.50 : 85,357.36 = 30,238.54 : x
  2. Step 2: Convert to fraction form
    56,899.50/85,357.36 = 30,238.54/x
  3. Step 3: Cross multiply
    56,899.50x = 85,357.36 × 30,238.54
  4. Step 4: Simplify right side
    56,899.50x = 2,581,081,944.65
  5. Step 5: Solve for x
    x = 2,581,081,944.65/56,899.50
  6. Step 6: Final answer
    x = 45,362.12

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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.