Home / 42,276.14-63,423.94-12,694.54

Finding the Fourth Proportional to 42,276.14, 63,423.94 and 12,694.54

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Solution

The fourth proportional to 42,276.14, 63,423.94 and 12,694.54 is: 19,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,276.14 : 63,423.94 = 12,694.54 : x
  2. Step 2: Convert to fraction form
    42,276.14/63,423.94 = 12,694.54/x
  3. Step 3: Cross multiply
    42,276.14x = 63,423.94 × 12,694.54
  4. Step 4: Simplify right side
    42,276.14x = 805,137,660.01
  5. Step 5: Solve for x
    x = 805,137,660.01/42,276.14
  6. Step 6: Final answer
    x = 19,044.73

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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.