Home / 56,935.92-78,575.90-31,447.16

Finding the Fourth Proportional to 56,935.92, 78,575.90 and 31,447.16

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Solution

The fourth proportional to 56,935.92, 78,575.90 and 31,447.16 is: 43,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.92 : 78,575.90 = 31,447.16 : x
  2. Step 2: Convert to fraction form
    56,935.92/78,575.90 = 31,447.16/x
  3. Step 3: Cross multiply
    56,935.92x = 78,575.90 × 31,447.16
  4. Step 4: Simplify right side
    56,935.92x = 2,470,988,899.44
  5. Step 5: Solve for x
    x = 2,470,988,899.44/56,935.92
  6. Step 6: Final answer
    x = 43,399.47

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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.