Home / 40,042.14-55,258.37-21,892.92

Finding the Fourth Proportional to 40,042.14, 55,258.37 and 21,892.92

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Solution

The fourth proportional to 40,042.14, 55,258.37 and 21,892.92 is: 30,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.14 : 55,258.37 = 21,892.92 : x
  2. Step 2: Convert to fraction form
    40,042.14/55,258.37 = 21,892.92/x
  3. Step 3: Cross multiply
    40,042.14x = 55,258.37 × 21,892.92
  4. Step 4: Simplify right side
    40,042.14x = 1,209,767,073.74
  5. Step 5: Solve for x
    x = 1,209,767,073.74/40,042.14
  6. Step 6: Final answer
    x = 30,212.35

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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.