Home / 47,719.20-71,578.80-16,557.60

Finding the Fourth Proportional to 47,719.20, 71,578.80 and 16,557.60

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Solution

The fourth proportional to 47,719.20, 71,578.80 and 16,557.60 is: 24,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.20 : 71,578.80 = 16,557.60 : x
  2. Step 2: Convert to fraction form
    47,719.20/71,578.80 = 16,557.60/x
  3. Step 3: Cross multiply
    47,719.20x = 71,578.80 × 16,557.60
  4. Step 4: Simplify right side
    47,719.20x = 1,185,173,138.88
  5. Step 5: Solve for x
    x = 1,185,173,138.88/47,719.20
  6. Step 6: Final answer
    x = 24,836.40

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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.