Home / 40,773.88-56,289.04-31,678.92

Finding the Fourth Proportional to 40,773.88, 56,289.04 and 31,678.92

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Solution

The fourth proportional to 40,773.88, 56,289.04 and 31,678.92 is: 43,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,773.88 : 56,289.04 = 31,678.92 : x
  2. Step 2: Convert to fraction form
    40,773.88/56,289.04 = 31,678.92/x
  3. Step 3: Cross multiply
    40,773.88x = 56,289.04 × 31,678.92
  4. Step 4: Simplify right side
    40,773.88x = 1,783,175,995.04
  5. Step 5: Solve for x
    x = 1,783,175,995.04/40,773.88
  6. Step 6: Final answer
    x = 43,733.29

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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.