Home / 42,028.56-63,052.05-12,448.68

Finding the Fourth Proportional to 42,028.56, 63,052.05 and 12,448.68

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Solution

The fourth proportional to 42,028.56, 63,052.05 and 12,448.68 is: 18,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.56 : 63,052.05 = 12,448.68 : x
  2. Step 2: Convert to fraction form
    42,028.56/63,052.05 = 12,448.68/x
  3. Step 3: Cross multiply
    42,028.56x = 63,052.05 × 12,448.68
  4. Step 4: Simplify right side
    42,028.56x = 784,914,793.79
  5. Step 5: Solve for x
    x = 784,914,793.79/42,028.56
  6. Step 6: Final answer
    x = 18,675.75

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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.