Home / 56,535.56-78,020.48-31,044.44

Finding the Fourth Proportional to 56,535.56, 78,020.48 and 31,044.44

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Solution

The fourth proportional to 56,535.56, 78,020.48 and 31,044.44 is: 42,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,535.56 : 78,020.48 = 31,044.44 : x
  2. Step 2: Convert to fraction form
    56,535.56/78,020.48 = 31,044.44/x
  3. Step 3: Cross multiply
    56,535.56x = 78,020.48 × 31,044.44
  4. Step 4: Simplify right side
    56,535.56x = 2,422,102,110.13
  5. Step 5: Solve for x
    x = 2,422,102,110.13/56,535.56
  6. Step 6: Final answer
    x = 42,842.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.