Home / 51,327.60-77,128.08-27,653.32

Finding the Fourth Proportional to 51,327.60, 77,128.08 and 27,653.32

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Solution

The fourth proportional to 51,327.60, 77,128.08 and 27,653.32 is: 41,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,327.60 : 77,128.08 = 27,653.32 : x
  2. Step 2: Convert to fraction form
    51,327.60/77,128.08 = 27,653.32/x
  3. Step 3: Cross multiply
    51,327.60x = 77,128.08 × 27,653.32
  4. Step 4: Simplify right side
    51,327.60x = 2,132,847,477.23
  5. Step 5: Solve for x
    x = 2,132,847,477.23/51,327.60
  6. Step 6: Final answer
    x = 41,553.62

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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.