Home / 56,582.44-78,083.96-31,090.84

Finding the Fourth Proportional to 56,582.44, 78,083.96 and 31,090.84

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Solution

The fourth proportional to 56,582.44, 78,083.96 and 31,090.84 is: 42,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.44 : 78,083.96 = 31,090.84 : x
  2. Step 2: Convert to fraction form
    56,582.44/78,083.96 = 31,090.84/x
  3. Step 3: Cross multiply
    56,582.44x = 78,083.96 × 31,090.84
  4. Step 4: Simplify right side
    56,582.44x = 2,427,695,906.93
  5. Step 5: Solve for x
    x = 2,427,695,906.93/56,582.44
  6. Step 6: Final answer
    x = 42,905.47

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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.