Home / 39,935.22-55,110.96-22,030.86

Finding the Fourth Proportional to 39,935.22, 55,110.96 and 22,030.86

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Solution

The fourth proportional to 39,935.22, 55,110.96 and 22,030.86 is: 30,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.22 : 55,110.96 = 22,030.86 : x
  2. Step 2: Convert to fraction form
    39,935.22/55,110.96 = 22,030.86/x
  3. Step 3: Cross multiply
    39,935.22x = 55,110.96 × 22,030.86
  4. Step 4: Simplify right side
    39,935.22x = 1,214,141,844.23
  5. Step 5: Solve for x
    x = 1,214,141,844.23/39,935.22
  6. Step 6: Final answer
    x = 30,402.78

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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.