Home / 39,992.01-55,190.21-22,088.18

Finding the Fourth Proportional to 39,992.01, 55,190.21 and 22,088.18

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Solution

The fourth proportional to 39,992.01, 55,190.21 and 22,088.18 is: 30,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.01 : 55,190.21 = 22,088.18 : x
  2. Step 2: Convert to fraction form
    39,992.01/55,190.21 = 22,088.18/x
  3. Step 3: Cross multiply
    39,992.01x = 55,190.21 × 22,088.18
  4. Step 4: Simplify right side
    39,992.01x = 1,219,050,906.33
  5. Step 5: Solve for x
    x = 1,219,050,906.33/39,992.01
  6. Step 6: Final answer
    x = 30,482.36

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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.