Home / 56,288.98-84,377.58-31,340.44

Finding the Fourth Proportional to 56,288.98, 84,377.58 and 31,340.44

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Solution

The fourth proportional to 56,288.98, 84,377.58 and 31,340.44 is: 46,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,288.98 : 84,377.58 = 31,340.44 : x
  2. Step 2: Convert to fraction form
    56,288.98/84,377.58 = 31,340.44/x
  3. Step 3: Cross multiply
    56,288.98x = 84,377.58 × 31,340.44
  4. Step 4: Simplify right side
    56,288.98x = 2,644,430,483.34
  5. Step 5: Solve for x
    x = 2,644,430,483.34/56,288.98
  6. Step 6: Final answer
    x = 46,979.54

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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.