Home / 55,100.28-76,038.02-29,949.78

Finding the Fourth Proportional to 55,100.28, 76,038.02 and 29,949.78

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Solution

The fourth proportional to 55,100.28, 76,038.02 and 29,949.78 is: 41,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,100.28 : 76,038.02 = 29,949.78 : x
  2. Step 2: Convert to fraction form
    55,100.28/76,038.02 = 29,949.78/x
  3. Step 3: Cross multiply
    55,100.28x = 76,038.02 × 29,949.78
  4. Step 4: Simplify right side
    55,100.28x = 2,277,321,970.64
  5. Step 5: Solve for x
    x = 2,277,321,970.64/55,100.28
  6. Step 6: Final answer
    x = 41,330.50

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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.