Home / 51,327.95-77,128.62-27,653.68

Finding the Fourth Proportional to 51,327.95, 77,128.62 and 27,653.68

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Solution

The fourth proportional to 51,327.95, 77,128.62 and 27,653.68 is: 41,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,327.95 : 77,128.62 = 27,653.68 : x
  2. Step 2: Convert to fraction form
    51,327.95/77,128.62 = 27,653.68/x
  3. Step 3: Cross multiply
    51,327.95x = 77,128.62 × 27,653.68
  4. Step 4: Simplify right side
    51,327.95x = 2,132,890,128.12
  5. Step 5: Solve for x
    x = 2,132,890,128.12/51,327.95
  6. Step 6: Final answer
    x = 41,554.16

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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.