Home / 57,346.88-79,111.22-40,360.55

Finding the Fourth Proportional to 57,346.88, 79,111.22 and 40,360.55

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Solution

The fourth proportional to 57,346.88, 79,111.22 and 40,360.55 is: 55,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.88 : 79,111.22 = 40,360.55 : x
  2. Step 2: Convert to fraction form
    57,346.88/79,111.22 = 40,360.55/x
  3. Step 3: Cross multiply
    57,346.88x = 79,111.22 × 40,360.55
  4. Step 4: Simplify right side
    57,346.88x = 3,192,972,350.37
  5. Step 5: Solve for x
    x = 3,192,972,350.37/57,346.88
  6. Step 6: Final answer
    x = 55,678.22

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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.