Home / 40,032.96-55,244.92-22,128.28

Finding the Fourth Proportional to 40,032.96, 55,244.92 and 22,128.28

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Solution

The fourth proportional to 40,032.96, 55,244.92 and 22,128.28 is: 30,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.96 : 55,244.92 = 22,128.28 : x
  2. Step 2: Convert to fraction form
    40,032.96/55,244.92 = 22,128.28/x
  3. Step 3: Cross multiply
    40,032.96x = 55,244.92 × 22,128.28
  4. Step 4: Simplify right side
    40,032.96x = 1,222,475,058.34
  5. Step 5: Solve for x
    x = 1,222,475,058.34/40,032.96
  6. Step 6: Final answer
    x = 30,536.71

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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.