Home / 57,445.20-79,315.20-41,601.60

Finding the Fourth Proportional to 57,445.20, 79,315.20 and 41,601.60

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Solution

The fourth proportional to 57,445.20, 79,315.20 and 41,601.60 is: 57,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,445.20 : 79,315.20 = 41,601.60 : x
  2. Step 2: Convert to fraction form
    57,445.20/79,315.20 = 41,601.60/x
  3. Step 3: Cross multiply
    57,445.20x = 79,315.20 × 41,601.60
  4. Step 4: Simplify right side
    57,445.20x = 3,299,639,224.32
  5. Step 5: Solve for x
    x = 3,299,639,224.32/57,445.20
  6. Step 6: Final answer
    x = 57,439.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.