Home / 40,324.36-55,646.40-22,419.76

Finding the Fourth Proportional to 40,324.36, 55,646.40 and 22,419.76

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Solution

The fourth proportional to 40,324.36, 55,646.40 and 22,419.76 is: 30,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.36 : 55,646.40 = 22,419.76 : x
  2. Step 2: Convert to fraction form
    40,324.36/55,646.40 = 22,419.76/x
  3. Step 3: Cross multiply
    40,324.36x = 55,646.40 × 22,419.76
  4. Step 4: Simplify right side
    40,324.36x = 1,247,578,932.86
  5. Step 5: Solve for x
    x = 1,247,578,932.86/40,324.36
  6. Step 6: Final answer
    x = 30,938.59

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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.