Home / 40,390.86-55,738.13-22,485.47

Finding the Fourth Proportional to 40,390.86, 55,738.13 and 22,485.47

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Solution

The fourth proportional to 40,390.86, 55,738.13 and 22,485.47 is: 31,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.86 : 55,738.13 = 22,485.47 : x
  2. Step 2: Convert to fraction form
    40,390.86/55,738.13 = 22,485.47/x
  3. Step 3: Cross multiply
    40,390.86x = 55,738.13 × 22,485.47
  4. Step 4: Simplify right side
    40,390.86x = 1,253,298,049.97
  5. Step 5: Solve for x
    x = 1,253,298,049.97/40,390.86
  6. Step 6: Final answer
    x = 31,029.25

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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.