Home / 42,030.57-63,046.05-12,448.97

Finding the Fourth Proportional to 42,030.57, 63,046.05 and 12,448.97

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Solution

The fourth proportional to 42,030.57, 63,046.05 and 12,448.97 is: 18,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,030.57 : 63,046.05 = 12,448.97 : x
  2. Step 2: Convert to fraction form
    42,030.57/63,046.05 = 12,448.97/x
  3. Step 3: Cross multiply
    42,030.57x = 63,046.05 × 12,448.97
  4. Step 4: Simplify right side
    42,030.57x = 784,858,069.84
  5. Step 5: Solve for x
    x = 784,858,069.84/42,030.57
  6. Step 6: Final answer
    x = 18,673.51

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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.