Home / 40,804.30-56,329.88-31,708.22

Finding the Fourth Proportional to 40,804.30, 56,329.88 and 31,708.22

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Solution

The fourth proportional to 40,804.30, 56,329.88 and 31,708.22 is: 43,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,804.30 : 56,329.88 = 31,708.22 : x
  2. Step 2: Convert to fraction form
    40,804.30/56,329.88 = 31,708.22/x
  3. Step 3: Cross multiply
    40,804.30x = 56,329.88 × 31,708.22
  4. Step 4: Simplify right side
    40,804.30x = 1,786,120,227.61
  5. Step 5: Solve for x
    x = 1,786,120,227.61/40,804.30
  6. Step 6: Final answer
    x = 43,772.84

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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.