Home / 49,919.19-74,835.03-18,776.31

Finding the Fourth Proportional to 49,919.19, 74,835.03 and 18,776.31

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Solution

The fourth proportional to 49,919.19, 74,835.03 and 18,776.31 is: 28,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.19 : 74,835.03 = 18,776.31 : x
  2. Step 2: Convert to fraction form
    49,919.19/74,835.03 = 18,776.31/x
  3. Step 3: Cross multiply
    49,919.19x = 74,835.03 × 18,776.31
  4. Step 4: Simplify right side
    49,919.19x = 1,405,125,722.14
  5. Step 5: Solve for x
    x = 1,405,125,722.14/49,919.19
  6. Step 6: Final answer
    x = 28,148.01

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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.