Home / 40,730.31-56,205-22,580.87

Finding the Fourth Proportional to 40,730.31, 56,205 and 22,580.87

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Solution

The fourth proportional to 40,730.31, 56,205 and 22,580.87 is: 31,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.31 : 56,205 = 22,580.87 : x
  2. Step 2: Convert to fraction form
    40,730.31/56,205 = 22,580.87/x
  3. Step 3: Cross multiply
    40,730.31x = 56,205 × 22,580.87
  4. Step 4: Simplify right side
    40,730.31x = 1,269,157,517.33
  5. Step 5: Solve for x
    x = 1,269,157,517.33/40,730.31
  6. Step 6: Final answer
    x = 31,160.03

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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.