Home / 36,724-55,103.28-19,202.08

Finding the Fourth Proportional to 36,724, 55,103.28 and 19,202.08

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Solution

The fourth proportional to 36,724, 55,103.28 and 19,202.08 is: 28,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,724 : 55,103.28 = 19,202.08 : x
  2. Step 2: Convert to fraction form
    36,724/55,103.28 = 19,202.08/x
  3. Step 3: Cross multiply
    36,724x = 55,103.28 × 19,202.08
  4. Step 4: Simplify right side
    36,724x = 1,058,097,590.82
  5. Step 5: Solve for x
    x = 1,058,097,590.82/36,724
  6. Step 6: Final answer
    x = 28,812.16

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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.