Home / 47,649.32-71,447.58-21,379.24

Finding the Fourth Proportional to 47,649.32, 71,447.58 and 21,379.24

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Solution

The fourth proportional to 47,649.32, 71,447.58 and 21,379.24 is: 32,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.32 : 71,447.58 = 21,379.24 : x
  2. Step 2: Convert to fraction form
    47,649.32/71,447.58 = 21,379.24/x
  3. Step 3: Cross multiply
    47,649.32x = 71,447.58 × 21,379.24
  4. Step 4: Simplify right side
    47,649.32x = 1,527,494,960.24
  5. Step 5: Solve for x
    x = 1,527,494,960.24/47,649.32
  6. Step 6: Final answer
    x = 32,057.01

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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.