Home / 47,991.21-72,000.64-14,716.18

Finding the Fourth Proportional to 47,991.21, 72,000.64 and 14,716.18

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Solution

The fourth proportional to 47,991.21, 72,000.64 and 14,716.18 is: 22,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.21 : 72,000.64 = 14,716.18 : x
  2. Step 2: Convert to fraction form
    47,991.21/72,000.64 = 14,716.18/x
  3. Step 3: Cross multiply
    47,991.21x = 72,000.64 × 14,716.18
  4. Step 4: Simplify right side
    47,991.21x = 1,059,574,486.75
  5. Step 5: Solve for x
    x = 1,059,574,486.75/47,991.21
  6. Step 6: Final answer
    x = 22,078.51

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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.