Home / 40,719.88-56,195.75-22,820.66

Finding the Fourth Proportional to 40,719.88, 56,195.75 and 22,820.66

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Solution

The fourth proportional to 40,719.88, 56,195.75 and 22,820.66 is: 31,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.88 : 56,195.75 = 22,820.66 : x
  2. Step 2: Convert to fraction form
    40,719.88/56,195.75 = 22,820.66/x
  3. Step 3: Cross multiply
    40,719.88x = 56,195.75 × 22,820.66
  4. Step 4: Simplify right side
    40,719.88x = 1,282,424,104.20
  5. Step 5: Solve for x
    x = 1,282,424,104.20/40,719.88
  6. Step 6: Final answer
    x = 31,493.81

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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.