Home / 45,557.27-68,333.48-12,276.80

Finding the Fourth Proportional to 45,557.27, 68,333.48 and 12,276.80

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Solution

The fourth proportional to 45,557.27, 68,333.48 and 12,276.80 is: 18,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.27 : 68,333.48 = 12,276.80 : x
  2. Step 2: Convert to fraction form
    45,557.27/68,333.48 = 12,276.80/x
  3. Step 3: Cross multiply
    45,557.27x = 68,333.48 × 12,276.80
  4. Step 4: Simplify right side
    45,557.27x = 838,916,405.88
  5. Step 5: Solve for x
    x = 838,916,405.88/45,557.27
  6. Step 6: Final answer
    x = 18,414.55

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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.