Home / 47,799.68-71,698.29-12,739.23

Finding the Fourth Proportional to 47,799.68, 71,698.29 and 12,739.23

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Solution

The fourth proportional to 47,799.68, 71,698.29 and 12,739.23 is: 19,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,799.68 : 71,698.29 = 12,739.23 : x
  2. Step 2: Convert to fraction form
    47,799.68/71,698.29 = 12,739.23/x
  3. Step 3: Cross multiply
    47,799.68x = 71,698.29 × 12,739.23
  4. Step 4: Simplify right side
    47,799.68x = 913,381,006.92
  5. Step 5: Solve for x
    x = 913,381,006.92/47,799.68
  6. Step 6: Final answer
    x = 19,108.52

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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.