Home / 47,579.31-71,381.93-16,419.15

Finding the Fourth Proportional to 47,579.31, 71,381.93 and 16,419.15

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Solution

The fourth proportional to 47,579.31, 71,381.93 and 16,419.15 is: 24,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.31 : 71,381.93 = 16,419.15 : x
  2. Step 2: Convert to fraction form
    47,579.31/71,381.93 = 16,419.15/x
  3. Step 3: Cross multiply
    47,579.31x = 71,381.93 × 16,419.15
  4. Step 4: Simplify right side
    47,579.31x = 1,172,030,533.86
  5. Step 5: Solve for x
    x = 1,172,030,533.86/47,579.31
  6. Step 6: Final answer
    x = 24,633.20

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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.