Home / 47,864.30-71,790.98-12,806.69

Finding the Fourth Proportional to 47,864.30, 71,790.98 and 12,806.69

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Solution

The fourth proportional to 47,864.30, 71,790.98 and 12,806.69 is: 19,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,864.30 : 71,790.98 = 12,806.69 : x
  2. Step 2: Convert to fraction form
    47,864.30/71,790.98 = 12,806.69/x
  3. Step 3: Cross multiply
    47,864.30x = 71,790.98 × 12,806.69
  4. Step 4: Simplify right side
    47,864.30x = 919,404,402.67
  5. Step 5: Solve for x
    x = 919,404,402.67/47,864.30
  6. Step 6: Final answer
    x = 19,208.56

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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.