Home / 49,923.19-74,841.03-18,780.31

Finding the Fourth Proportional to 49,923.19, 74,841.03 and 18,780.31

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Solution

The fourth proportional to 49,923.19, 74,841.03 and 18,780.31 is: 28,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,923.19 : 74,841.03 = 18,780.31 : x
  2. Step 2: Convert to fraction form
    49,923.19/74,841.03 = 18,780.31/x
  3. Step 3: Cross multiply
    49,923.19x = 74,841.03 × 18,780.31
  4. Step 4: Simplify right side
    49,923.19x = 1,405,537,744.12
  5. Step 5: Solve for x
    x = 1,405,537,744.12/49,923.19
  6. Step 6: Final answer
    x = 28,154.01

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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.