Home / 40,682.72-56,141.54-22,778.35

Finding the Fourth Proportional to 40,682.72, 56,141.54 and 22,778.35

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Solution

The fourth proportional to 40,682.72, 56,141.54 and 22,778.35 is: 31,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,682.72 : 56,141.54 = 22,778.35 : x
  2. Step 2: Convert to fraction form
    40,682.72/56,141.54 = 22,778.35/x
  3. Step 3: Cross multiply
    40,682.72x = 56,141.54 × 22,778.35
  4. Step 4: Simplify right side
    40,682.72x = 1,278,811,478.83
  5. Step 5: Solve for x
    x = 1,278,811,478.83/40,682.72
  6. Step 6: Final answer
    x = 31,433.77

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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.