Home / 40,119.56-55,360.51-22,210.08

Finding the Fourth Proportional to 40,119.56, 55,360.51 and 22,210.08

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Solution

The fourth proportional to 40,119.56, 55,360.51 and 22,210.08 is: 30,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.56 : 55,360.51 = 22,210.08 : x
  2. Step 2: Convert to fraction form
    40,119.56/55,360.51 = 22,210.08/x
  3. Step 3: Cross multiply
    40,119.56x = 55,360.51 × 22,210.08
  4. Step 4: Simplify right side
    40,119.56x = 1,229,561,355.94
  5. Step 5: Solve for x
    x = 1,229,561,355.94/40,119.56
  6. Step 6: Final answer
    x = 30,647.43

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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.