Home / 55,078.32-75,989.61-38,076.44

Finding the Fourth Proportional to 55,078.32, 75,989.61 and 38,076.44

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Solution

The fourth proportional to 55,078.32, 75,989.61 and 38,076.44 is: 52,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.32 : 75,989.61 = 38,076.44 : x
  2. Step 2: Convert to fraction form
    55,078.32/75,989.61 = 38,076.44/x
  3. Step 3: Cross multiply
    55,078.32x = 75,989.61 × 38,076.44
  4. Step 4: Simplify right side
    55,078.32x = 2,893,413,825.79
  5. Step 5: Solve for x
    x = 2,893,413,825.79/55,078.32
  6. Step 6: Final answer
    x = 52,532.72

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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.