Home / 40,313.38-55,629.02-22,402.66

Finding the Fourth Proportional to 40,313.38, 55,629.02 and 22,402.66

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Solution

The fourth proportional to 40,313.38, 55,629.02 and 22,402.66 is: 30,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.38 : 55,629.02 = 22,402.66 : x
  2. Step 2: Convert to fraction form
    40,313.38/55,629.02 = 22,402.66/x
  3. Step 3: Cross multiply
    40,313.38x = 55,629.02 × 22,402.66
  4. Step 4: Simplify right side
    40,313.38x = 1,246,238,021.19
  5. Step 5: Solve for x
    x = 1,246,238,021.19/40,313.38
  6. Step 6: Final answer
    x = 30,913.76

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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.