Home / 40,339.55-55,664.31-22,431.66

Finding the Fourth Proportional to 40,339.55, 55,664.31 and 22,431.66

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Solution

The fourth proportional to 40,339.55, 55,664.31 and 22,431.66 is: 30,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.55 : 55,664.31 = 22,431.66 : x
  2. Step 2: Convert to fraction form
    40,339.55/55,664.31 = 22,431.66/x
  3. Step 3: Cross multiply
    40,339.55x = 55,664.31 × 22,431.66
  4. Step 4: Simplify right side
    40,339.55x = 1,248,642,876.05
  5. Step 5: Solve for x
    x = 1,248,642,876.05/40,339.55
  6. Step 6: Final answer
    x = 30,953.32

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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.