Home / 55,258.83-82,926.54-21,975.75

Finding the Fourth Proportional to 55,258.83, 82,926.54 and 21,975.75

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Solution

The fourth proportional to 55,258.83, 82,926.54 and 21,975.75 is: 32,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.83 : 82,926.54 = 21,975.75 : x
  2. Step 2: Convert to fraction form
    55,258.83/82,926.54 = 21,975.75/x
  3. Step 3: Cross multiply
    55,258.83x = 82,926.54 × 21,975.75
  4. Step 4: Simplify right side
    55,258.83x = 1,822,372,911.41
  5. Step 5: Solve for x
    x = 1,822,372,911.41/55,258.83
  6. Step 6: Final answer
    x = 32,978.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.