Home / 47,873.30-71,814.87-18,315.99

Finding the Fourth Proportional to 47,873.30, 71,814.87 and 18,315.99

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Solution

The fourth proportional to 47,873.30, 71,814.87 and 18,315.99 is: 27,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873.30 : 71,814.87 = 18,315.99 : x
  2. Step 2: Convert to fraction form
    47,873.30/71,814.87 = 18,315.99/x
  3. Step 3: Cross multiply
    47,873.30x = 71,814.87 × 18,315.99
  4. Step 4: Simplify right side
    47,873.30x = 1,315,360,440.77
  5. Step 5: Solve for x
    x = 1,315,360,440.77/47,873.30
  6. Step 6: Final answer
    x = 27,475.87

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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.