Home / 40,671.20-56,086.83-31,715.44

Finding the Fourth Proportional to 40,671.20, 56,086.83 and 31,715.44

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Solution

The fourth proportional to 40,671.20, 56,086.83 and 31,715.44 is: 43,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671.20 : 56,086.83 = 31,715.44 : x
  2. Step 2: Convert to fraction form
    40,671.20/56,086.83 = 31,715.44/x
  3. Step 3: Cross multiply
    40,671.20x = 56,086.83 × 31,715.44
  4. Step 4: Simplify right side
    40,671.20x = 1,778,818,491.66
  5. Step 5: Solve for x
    x = 1,778,818,491.66/40,671.20
  6. Step 6: Final answer
    x = 43,736.56

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1.5x scale

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.