Home / 40,305.76-55,606.44-29,720.56

Finding the Fourth Proportional to 40,305.76, 55,606.44 and 29,720.56

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Solution

The fourth proportional to 40,305.76, 55,606.44 and 29,720.56 is: 41,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.76 : 55,606.44 = 29,720.56 : x
  2. Step 2: Convert to fraction form
    40,305.76/55,606.44 = 29,720.56/x
  3. Step 3: Cross multiply
    40,305.76x = 55,606.44 × 29,720.56
  4. Step 4: Simplify right side
    40,305.76x = 1,652,654,536.41
  5. Step 5: Solve for x
    x = 1,652,654,536.41/40,305.76
  6. Step 6: Final answer
    x = 41,002.94

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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.