Home / 40,618.82-56,055.50-22,713.78

Finding the Fourth Proportional to 40,618.82, 56,055.50 and 22,713.78

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Solution

The fourth proportional to 40,618.82, 56,055.50 and 22,713.78 is: 31,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,618.82 : 56,055.50 = 22,713.78 : x
  2. Step 2: Convert to fraction form
    40,618.82/56,055.50 = 22,713.78/x
  3. Step 3: Cross multiply
    40,618.82x = 56,055.50 × 22,713.78
  4. Step 4: Simplify right side
    40,618.82x = 1,273,232,181.22
  5. Step 5: Solve for x
    x = 1,273,232,181.22/40,618.82
  6. Step 6: Final answer
    x = 31,345.87

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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.