Home / 40,011.30-55,218.78-23,020.92

Finding the Fourth Proportional to 40,011.30, 55,218.78 and 23,020.92

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Solution

The fourth proportional to 40,011.30, 55,218.78 and 23,020.92 is: 31,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.30 : 55,218.78 = 23,020.92 : x
  2. Step 2: Convert to fraction form
    40,011.30/55,218.78 = 23,020.92/x
  3. Step 3: Cross multiply
    40,011.30x = 55,218.78 × 23,020.92
  4. Step 4: Simplify right side
    40,011.30x = 1,271,187,116.88
  5. Step 5: Solve for x
    x = 1,271,187,116.88/40,011.30
  6. Step 6: Final answer
    x = 31,770.70

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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.