Home / 40,026.56-55,237.34-22,121.71

Finding the Fourth Proportional to 40,026.56, 55,237.34 and 22,121.71

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Solution

The fourth proportional to 40,026.56, 55,237.34 and 22,121.71 is: 30,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.56 : 55,237.34 = 22,121.71 : x
  2. Step 2: Convert to fraction form
    40,026.56/55,237.34 = 22,121.71/x
  3. Step 3: Cross multiply
    40,026.56x = 55,237.34 × 22,121.71
  4. Step 4: Simplify right side
    40,026.56x = 1,221,944,333.86
  5. Step 5: Solve for x
    x = 1,221,944,333.86/40,026.56
  6. Step 6: Final answer
    x = 30,528.34

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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.