Home / 55,313.36-76,371.72-34,099.28

Finding the Fourth Proportional to 55,313.36, 76,371.72 and 34,099.28

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Solution

The fourth proportional to 55,313.36, 76,371.72 and 34,099.28 is: 47,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313.36 : 76,371.72 = 34,099.28 : x
  2. Step 2: Convert to fraction form
    55,313.36/76,371.72 = 34,099.28/x
  3. Step 3: Cross multiply
    55,313.36x = 76,371.72 × 34,099.28
  4. Step 4: Simplify right side
    55,313.36x = 2,604,220,664.36
  5. Step 5: Solve for x
    x = 2,604,220,664.36/55,313.36
  6. Step 6: Final answer
    x = 47,081.22

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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.