Home / 40,384.40-55,723.82-22,478.94

Finding the Fourth Proportional to 40,384.40, 55,723.82 and 22,478.94

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Solution

The fourth proportional to 40,384.40, 55,723.82 and 22,478.94 is: 31,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.40 : 55,723.82 = 22,478.94 : x
  2. Step 2: Convert to fraction form
    40,384.40/55,723.82 = 22,478.94/x
  3. Step 3: Cross multiply
    40,384.40x = 55,723.82 × 22,478.94
  4. Step 4: Simplify right side
    40,384.40x = 1,252,612,293.96
  5. Step 5: Solve for x
    x = 1,252,612,293.96/40,384.40
  6. Step 6: Final answer
    x = 31,017.24

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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.