Home / 60,308.45-90,471.59-20,854.97

Finding the Fourth Proportional to 60,308.45, 90,471.59 and 20,854.97

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Solution

The fourth proportional to 60,308.45, 90,471.59 and 20,854.97 is: 31,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,308.45 : 90,471.59 = 20,854.97 : x
  2. Step 2: Convert to fraction form
    60,308.45/90,471.59 = 20,854.97/x
  3. Step 3: Cross multiply
    60,308.45x = 90,471.59 × 20,854.97
  4. Step 4: Simplify right side
    60,308.45x = 1,886,782,295.30
  5. Step 5: Solve for x
    x = 1,886,782,295.30/60,308.45
  6. Step 6: Final answer
    x = 31,285.54

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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.