Home / 56,287.98-84,376.08-31,339.44

Finding the Fourth Proportional to 56,287.98, 84,376.08 and 31,339.44

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Solution

The fourth proportional to 56,287.98, 84,376.08 and 31,339.44 is: 46,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,287.98 : 84,376.08 = 31,339.44 : x
  2. Step 2: Convert to fraction form
    56,287.98/84,376.08 = 31,339.44/x
  3. Step 3: Cross multiply
    56,287.98x = 84,376.08 × 31,339.44
  4. Step 4: Simplify right side
    56,287.98x = 2,644,299,096.60
  5. Step 5: Solve for x
    x = 2,644,299,096.60/56,287.98
  6. Step 6: Final answer
    x = 46,978.04

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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.