Home / 40,327.05-55,649.73-22,420.74

Finding the Fourth Proportional to 40,327.05, 55,649.73 and 22,420.74

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Solution

The fourth proportional to 40,327.05, 55,649.73 and 22,420.74 is: 30,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.05 : 55,649.73 = 22,420.74 : x
  2. Step 2: Convert to fraction form
    40,327.05/55,649.73 = 22,420.74/x
  3. Step 3: Cross multiply
    40,327.05x = 55,649.73 × 22,420.74
  4. Step 4: Simplify right side
    40,327.05x = 1,247,708,127.40
  5. Step 5: Solve for x
    x = 1,247,708,127.40/40,327.05
  6. Step 6: Final answer
    x = 30,939.73

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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.