Home / 39,992.18-55,188.88-22,088.41

Finding the Fourth Proportional to 39,992.18, 55,188.88 and 22,088.41

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Solution

The fourth proportional to 39,992.18, 55,188.88 and 22,088.41 is: 30,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.18 : 55,188.88 = 22,088.41 : x
  2. Step 2: Convert to fraction form
    39,992.18/55,188.88 = 22,088.41/x
  3. Step 3: Cross multiply
    39,992.18x = 55,188.88 × 22,088.41
  4. Step 4: Simplify right side
    39,992.18x = 1,219,034,415.69
  5. Step 5: Solve for x
    x = 1,219,034,415.69/39,992.18
  6. Step 6: Final answer
    x = 30,481.82

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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.