Home / 60,219.20-90,328.80-38,057.60

Finding the Fourth Proportional to 60,219.20, 90,328.80 and 38,057.60

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Solution

The fourth proportional to 60,219.20, 90,328.80 and 38,057.60 is: 57,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,219.20 : 90,328.80 = 38,057.60 : x
  2. Step 2: Convert to fraction form
    60,219.20/90,328.80 = 38,057.60/x
  3. Step 3: Cross multiply
    60,219.20x = 90,328.80 × 38,057.60
  4. Step 4: Simplify right side
    60,219.20x = 3,437,697,338.88
  5. Step 5: Solve for x
    x = 3,437,697,338.88/60,219.20
  6. Step 6: Final answer
    x = 57,086.40

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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.