Home / 38,987.62-58,530.64-22,362.78

Finding the Fourth Proportional to 38,987.62, 58,530.64 and 22,362.78

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Solution

The fourth proportional to 38,987.62, 58,530.64 and 22,362.78 is: 33,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.62 : 58,530.64 = 22,362.78 : x
  2. Step 2: Convert to fraction form
    38,987.62/58,530.64 = 22,362.78/x
  3. Step 3: Cross multiply
    38,987.62x = 58,530.64 × 22,362.78
  4. Step 4: Simplify right side
    38,987.62x = 1,308,907,825.58
  5. Step 5: Solve for x
    x = 1,308,907,825.58/38,987.62
  6. Step 6: Final answer
    x = 33,572.40

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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.