Home / 48,180.69-72,289.67-18,590.31

Finding the Fourth Proportional to 48,180.69, 72,289.67 and 18,590.31

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Solution

The fourth proportional to 48,180.69, 72,289.67 and 18,590.31 is: 27,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,180.69 : 72,289.67 = 18,590.31 : x
  2. Step 2: Convert to fraction form
    48,180.69/72,289.67 = 18,590.31/x
  3. Step 3: Cross multiply
    48,180.69x = 72,289.67 × 18,590.31
  4. Step 4: Simplify right side
    48,180.69x = 1,343,887,282.15
  5. Step 5: Solve for x
    x = 1,343,887,282.15/48,180.69
  6. Step 6: Final answer
    x = 27,892.65

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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.