Home / 55,130.28-76,081.38-33,921.96

Finding the Fourth Proportional to 55,130.28, 76,081.38 and 33,921.96

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Solution

The fourth proportional to 55,130.28, 76,081.38 and 33,921.96 is: 46,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.28 : 76,081.38 = 33,921.96 : x
  2. Step 2: Convert to fraction form
    55,130.28/76,081.38 = 33,921.96/x
  3. Step 3: Cross multiply
    55,130.28x = 76,081.38 × 33,921.96
  4. Step 4: Simplify right side
    55,130.28x = 2,580,829,529.10
  5. Step 5: Solve for x
    x = 2,580,829,529.10/55,130.28
  6. Step 6: Final answer
    x = 46,813.29

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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.