Home / 40,672.21-56,088.21-31,716.44

Finding the Fourth Proportional to 40,672.21, 56,088.21 and 31,716.44

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Solution

The fourth proportional to 40,672.21, 56,088.21 and 31,716.44 is: 43,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.21 : 56,088.21 = 31,716.44 : x
  2. Step 2: Convert to fraction form
    40,672.21/56,088.21 = 31,716.44/x
  3. Step 3: Cross multiply
    40,672.21x = 56,088.21 × 31,716.44
  4. Step 4: Simplify right side
    40,672.21x = 1,778,918,347.17
  5. Step 5: Solve for x
    x = 1,778,918,347.17/40,672.21
  6. Step 6: Final answer
    x = 43,737.94

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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.