Home / 39,995.72-55,201.16-22,998.62

Finding the Fourth Proportional to 39,995.72, 55,201.16 and 22,998.62

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Solution

The fourth proportional to 39,995.72, 55,201.16 and 22,998.62 is: 31,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.72 : 55,201.16 = 22,998.62 : x
  2. Step 2: Convert to fraction form
    39,995.72/55,201.16 = 22,998.62/x
  3. Step 3: Cross multiply
    39,995.72x = 55,201.16 × 22,998.62
  4. Step 4: Simplify right side
    39,995.72x = 1,269,550,502.40
  5. Step 5: Solve for x
    x = 1,269,550,502.40/39,995.72
  6. Step 6: Final answer
    x = 31,742.16

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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.