Home / 60,579.20-90,895.80-21,164.60

Finding the Fourth Proportional to 60,579.20, 90,895.80 and 21,164.60

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Solution

The fourth proportional to 60,579.20, 90,895.80 and 21,164.60 is: 31,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.20 : 90,895.80 = 21,164.60 : x
  2. Step 2: Convert to fraction form
    60,579.20/90,895.80 = 21,164.60/x
  3. Step 3: Cross multiply
    60,579.20x = 90,895.80 × 21,164.60
  4. Step 4: Simplify right side
    60,579.20x = 1,923,773,248.68
  5. Step 5: Solve for x
    x = 1,923,773,248.68/60,579.20
  6. Step 6: Final answer
    x = 31,756.33

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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.