Home / 55,417.78-76,476.48-30,267.28

Finding the Fourth Proportional to 55,417.78, 76,476.48 and 30,267.28

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Solution

The fourth proportional to 55,417.78, 76,476.48 and 30,267.28 is: 41,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.78 : 76,476.48 = 30,267.28 : x
  2. Step 2: Convert to fraction form
    55,417.78/76,476.48 = 30,267.28/x
  3. Step 3: Cross multiply
    55,417.78x = 76,476.48 × 30,267.28
  4. Step 4: Simplify right side
    55,417.78x = 2,314,735,033.57
  5. Step 5: Solve for x
    x = 2,314,735,033.57/55,417.78
  6. Step 6: Final answer
    x = 41,768.82

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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.