Home / 56,910.36-85,357.46-31,272.65

Finding the Fourth Proportional to 56,910.36, 85,357.46 and 31,272.65

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Solution

The fourth proportional to 56,910.36, 85,357.46 and 31,272.65 is: 46,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.36 : 85,357.46 = 31,272.65 : x
  2. Step 2: Convert to fraction form
    56,910.36/85,357.46 = 31,272.65/x
  3. Step 3: Cross multiply
    56,910.36x = 85,357.46 × 31,272.65
  4. Step 4: Simplify right side
    56,910.36x = 2,669,353,388.32
  5. Step 5: Solve for x
    x = 2,669,353,388.32/56,910.36
  6. Step 6: Final answer
    x = 46,904.52

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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.