Home / 55,772.08-83,659.11-20,258.59

Finding the Fourth Proportional to 55,772.08, 83,659.11 and 20,258.59

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Solution

The fourth proportional to 55,772.08, 83,659.11 and 20,258.59 is: 30,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.08 : 83,659.11 = 20,258.59 : x
  2. Step 2: Convert to fraction form
    55,772.08/83,659.11 = 20,258.59/x
  3. Step 3: Cross multiply
    55,772.08x = 83,659.11 × 20,258.59
  4. Step 4: Simplify right side
    55,772.08x = 1,694,815,609.25
  5. Step 5: Solve for x
    x = 1,694,815,609.25/55,772.08
  6. Step 6: Final answer
    x = 30,388.24

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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.