Home / 40,842.88-56,188.18-39,093.28

Finding the Fourth Proportional to 40,842.88, 56,188.18 and 39,093.28

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Solution

The fourth proportional to 40,842.88, 56,188.18 and 39,093.28 is: 53,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,842.88 : 56,188.18 = 39,093.28 : x
  2. Step 2: Convert to fraction form
    40,842.88/56,188.18 = 39,093.28/x
  3. Step 3: Cross multiply
    40,842.88x = 56,188.18 × 39,093.28
  4. Step 4: Simplify right side
    40,842.88x = 2,196,580,253.43
  5. Step 5: Solve for x
    x = 2,196,580,253.43/40,842.88
  6. Step 6: Final answer
    x = 53,781.23

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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.