Home / 55,828.56-77,043.07-30,334.74

Finding the Fourth Proportional to 55,828.56, 77,043.07 and 30,334.74

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Solution

The fourth proportional to 55,828.56, 77,043.07 and 30,334.74 is: 41,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.56 : 77,043.07 = 30,334.74 : x
  2. Step 2: Convert to fraction form
    55,828.56/77,043.07 = 30,334.74/x
  3. Step 3: Cross multiply
    55,828.56x = 77,043.07 × 30,334.74
  4. Step 4: Simplify right side
    55,828.56x = 2,337,081,497.25
  5. Step 5: Solve for x
    x = 2,337,081,497.25/55,828.56
  6. Step 6: Final answer
    x = 41,861.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.