Home / 49,569.86-74,358.22-19,987.96

Finding the Fourth Proportional to 49,569.86, 74,358.22 and 19,987.96

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Solution

The fourth proportional to 49,569.86, 74,358.22 and 19,987.96 is: 29,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569.86 : 74,358.22 = 19,987.96 : x
  2. Step 2: Convert to fraction form
    49,569.86/74,358.22 = 19,987.96/x
  3. Step 3: Cross multiply
    49,569.86x = 74,358.22 × 19,987.96
  4. Step 4: Simplify right side
    49,569.86x = 1,486,269,127.03
  5. Step 5: Solve for x
    x = 1,486,269,127.03/49,569.86
  6. Step 6: Final answer
    x = 29,983.32

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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.