Home / 47,811.72-71,727.28-16,649.40

Finding the Fourth Proportional to 47,811.72, 71,727.28 and 16,649.40

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Solution

The fourth proportional to 47,811.72, 71,727.28 and 16,649.40 is: 24,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.72 : 71,727.28 = 16,649.40 : x
  2. Step 2: Convert to fraction form
    47,811.72/71,727.28 = 16,649.40/x
  3. Step 3: Cross multiply
    47,811.72x = 71,727.28 × 16,649.40
  4. Step 4: Simplify right side
    47,811.72x = 1,194,216,175.63
  5. Step 5: Solve for x
    x = 1,194,216,175.63/47,811.72
  6. Step 6: Final answer
    x = 24,977.48

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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.