Home / 40,647.91-60,989.37-15,705.52

Finding the Fourth Proportional to 40,647.91, 60,989.37 and 15,705.52

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Solution

The fourth proportional to 40,647.91, 60,989.37 and 15,705.52 is: 23,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.91 : 60,989.37 = 15,705.52 : x
  2. Step 2: Convert to fraction form
    40,647.91/60,989.37 = 15,705.52/x
  3. Step 3: Cross multiply
    40,647.91x = 60,989.37 × 15,705.52
  4. Step 4: Simplify right side
    40,647.91x = 957,869,770.32
  5. Step 5: Solve for x
    x = 957,869,770.32/40,647.91
  6. Step 6: Final answer
    x = 23,565.04

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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.