Home / 60,208.20-90,339.30-20,793.60

Finding the Fourth Proportional to 60,208.20, 90,339.30 and 20,793.60

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Solution

The fourth proportional to 60,208.20, 90,339.30 and 20,793.60 is: 31,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,208.20 : 90,339.30 = 20,793.60 : x
  2. Step 2: Convert to fraction form
    60,208.20/90,339.30 = 20,793.60/x
  3. Step 3: Cross multiply
    60,208.20x = 90,339.30 × 20,793.60
  4. Step 4: Simplify right side
    60,208.20x = 1,878,479,268.48
  5. Step 5: Solve for x
    x = 1,878,479,268.48/60,208.20
  6. Step 6: Final answer
    x = 31,199.72

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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.