Home / 47,730.82-71,590.67-12,673.20

Finding the Fourth Proportional to 47,730.82, 71,590.67 and 12,673.20

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Solution

The fourth proportional to 47,730.82, 71,590.67 and 12,673.20 is: 19,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,730.82 : 71,590.67 = 12,673.20 : x
  2. Step 2: Convert to fraction form
    47,730.82/71,590.67 = 12,673.20/x
  3. Step 3: Cross multiply
    47,730.82x = 71,590.67 × 12,673.20
  4. Step 4: Simplify right side
    47,730.82x = 907,282,879.04
  5. Step 5: Solve for x
    x = 907,282,879.04/47,730.82
  6. Step 6: Final answer
    x = 19,008.32

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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.