Home / 47,972.53-71,950.69-12,904.39

Finding the Fourth Proportional to 47,972.53, 71,950.69 and 12,904.39

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Solution

The fourth proportional to 47,972.53, 71,950.69 and 12,904.39 is: 19,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.53 : 71,950.69 = 12,904.39 : x
  2. Step 2: Convert to fraction form
    47,972.53/71,950.69 = 12,904.39/x
  3. Step 3: Cross multiply
    47,972.53x = 71,950.69 × 12,904.39
  4. Step 4: Simplify right side
    47,972.53x = 928,479,764.53
  5. Step 5: Solve for x
    x = 928,479,764.53/47,972.53
  6. Step 6: Final answer
    x = 19,354.40

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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.