Home / 40,158.61-60,293.09-20,450.41

Finding the Fourth Proportional to 40,158.61, 60,293.09 and 20,450.41

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Solution

The fourth proportional to 40,158.61, 60,293.09 and 20,450.41 is: 30,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.61 : 60,293.09 = 20,450.41 : x
  2. Step 2: Convert to fraction form
    40,158.61/60,293.09 = 20,450.41/x
  3. Step 3: Cross multiply
    40,158.61x = 60,293.09 × 20,450.41
  4. Step 4: Simplify right side
    40,158.61x = 1,233,018,410.67
  5. Step 5: Solve for x
    x = 1,233,018,410.67/40,158.61
  6. Step 6: Final answer
    x = 30,703.71

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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.