Home / 49,590.78-74,376.45-14,521.02

Finding the Fourth Proportional to 49,590.78, 74,376.45 and 14,521.02

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Solution

The fourth proportional to 49,590.78, 74,376.45 and 14,521.02 is: 21,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,590.78 : 74,376.45 = 14,521.02 : x
  2. Step 2: Convert to fraction form
    49,590.78/74,376.45 = 14,521.02/x
  3. Step 3: Cross multiply
    49,590.78x = 74,376.45 × 14,521.02
  4. Step 4: Simplify right side
    49,590.78x = 1,080,021,917.98
  5. Step 5: Solve for x
    x = 1,080,021,917.98/49,590.78
  6. Step 6: Final answer
    x = 21,778.68

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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.