Home / 40,783.28-56,286.53-22,879.42

Finding the Fourth Proportional to 40,783.28, 56,286.53 and 22,879.42

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Solution

The fourth proportional to 40,783.28, 56,286.53 and 22,879.42 is: 31,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.28 : 56,286.53 = 22,879.42 : x
  2. Step 2: Convert to fraction form
    40,783.28/56,286.53 = 22,879.42/x
  3. Step 3: Cross multiply
    40,783.28x = 56,286.53 × 22,879.42
  4. Step 4: Simplify right side
    40,783.28x = 1,287,802,990.90
  5. Step 5: Solve for x
    x = 1,287,802,990.90/40,783.28
  6. Step 6: Final answer
    x = 31,576.74

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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.