Home / 60,490.20-90,735.30-38,328.60

Finding the Fourth Proportional to 60,490.20, 90,735.30 and 38,328.60

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Solution

The fourth proportional to 60,490.20, 90,735.30 and 38,328.60 is: 57,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.20 : 90,735.30 = 38,328.60 : x
  2. Step 2: Convert to fraction form
    60,490.20/90,735.30 = 38,328.60/x
  3. Step 3: Cross multiply
    60,490.20x = 90,735.30 × 38,328.60
  4. Step 4: Simplify right side
    60,490.20x = 3,477,757,019.58
  5. Step 5: Solve for x
    x = 3,477,757,019.58/60,490.20
  6. Step 6: Final answer
    x = 57,492.90

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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.