Home / 20,295.36-30,444.66-5,505.57

Finding the Fourth Proportional to 20,295.36, 30,444.66 and 5,505.57

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Solution

The fourth proportional to 20,295.36, 30,444.66 and 5,505.57 is: 8,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.36 : 30,444.66 = 5,505.57 : x
  2. Step 2: Convert to fraction form
    20,295.36/30,444.66 = 5,505.57/x
  3. Step 3: Cross multiply
    20,295.36x = 30,444.66 × 5,505.57
  4. Step 4: Simplify right side
    20,295.36x = 167,615,206.76
  5. Step 5: Solve for x
    x = 167,615,206.76/20,295.36
  6. Step 6: Final answer
    x = 8,258.79

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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.