Home / 40,360.68-60,558.78-20,655.48

Finding the Fourth Proportional to 40,360.68, 60,558.78 and 20,655.48

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Solution

The fourth proportional to 40,360.68, 60,558.78 and 20,655.48 is: 30,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,360.68 : 60,558.78 = 20,655.48 : x
  2. Step 2: Convert to fraction form
    40,360.68/60,558.78 = 20,655.48/x
  3. Step 3: Cross multiply
    40,360.68x = 60,558.78 × 20,655.48
  4. Step 4: Simplify right side
    40,360.68x = 1,250,870,669.11
  5. Step 5: Solve for x
    x = 1,250,870,669.11/40,360.68
  6. Step 6: Final answer
    x = 30,992.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.