Home / 56,832.78-78,429.84-31,339.22

Finding the Fourth Proportional to 56,832.78, 78,429.84 and 31,339.22

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Solution

The fourth proportional to 56,832.78, 78,429.84 and 31,339.22 is: 43,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.78 : 78,429.84 = 31,339.22 : x
  2. Step 2: Convert to fraction form
    56,832.78/78,429.84 = 31,339.22/x
  3. Step 3: Cross multiply
    56,832.78x = 78,429.84 × 31,339.22
  4. Step 4: Simplify right side
    56,832.78x = 2,457,930,010.32
  5. Step 5: Solve for x
    x = 2,457,930,010.32/56,832.78
  6. Step 6: Final answer
    x = 43,248.46

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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.