Home / 42,028.92-63,052.61-12,449.07

Finding the Fourth Proportional to 42,028.92, 63,052.61 and 12,449.07

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Solution

The fourth proportional to 42,028.92, 63,052.61 and 12,449.07 is: 18,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.92 : 63,052.61 = 12,449.07 : x
  2. Step 2: Convert to fraction form
    42,028.92/63,052.61 = 12,449.07/x
  3. Step 3: Cross multiply
    42,028.92x = 63,052.61 × 12,449.07
  4. Step 4: Simplify right side
    42,028.92x = 784,946,293.33
  5. Step 5: Solve for x
    x = 784,946,293.33/42,028.92
  6. Step 6: Final answer
    x = 18,676.34

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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.