Home / 47,408.64-71,112.93-14,127.85

Finding the Fourth Proportional to 47,408.64, 71,112.93 and 14,127.85

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Solution

The fourth proportional to 47,408.64, 71,112.93 and 14,127.85 is: 21,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,408.64 : 71,112.93 = 14,127.85 : x
  2. Step 2: Convert to fraction form
    47,408.64/71,112.93 = 14,127.85/x
  3. Step 3: Cross multiply
    47,408.64x = 71,112.93 × 14,127.85
  4. Step 4: Simplify right side
    47,408.64x = 1,004,672,808.10
  5. Step 5: Solve for x
    x = 1,004,672,808.10/47,408.64
  6. Step 6: Final answer
    x = 21,191.77

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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.