Home / 47,768.13-71,650.98-12,708.09

Finding the Fourth Proportional to 47,768.13, 71,650.98 and 12,708.09

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Solution

The fourth proportional to 47,768.13, 71,650.98 and 12,708.09 is: 19,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.13 : 71,650.98 = 12,708.09 : x
  2. Step 2: Convert to fraction form
    47,768.13/71,650.98 = 12,708.09/x
  3. Step 3: Cross multiply
    47,768.13x = 71,650.98 × 12,708.09
  4. Step 4: Simplify right side
    47,768.13x = 910,547,102.43
  5. Step 5: Solve for x
    x = 910,547,102.43/47,768.13
  6. Step 6: Final answer
    x = 19,061.81

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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.