Home / 55,774.52-76,968.42-30,280.28

Finding the Fourth Proportional to 55,774.52, 76,968.42 and 30,280.28

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Solution

The fourth proportional to 55,774.52, 76,968.42 and 30,280.28 is: 41,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774.52 : 76,968.42 = 30,280.28 : x
  2. Step 2: Convert to fraction form
    55,774.52/76,968.42 = 30,280.28/x
  3. Step 3: Cross multiply
    55,774.52x = 76,968.42 × 30,280.28
  4. Step 4: Simplify right side
    55,774.52x = 2,330,625,308.76
  5. Step 5: Solve for x
    x = 2,330,625,308.76/55,774.52
  6. Step 6: Final answer
    x = 41,786.56

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1.5x scale

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.