Home / 42,190.76-63,266.60-15,530.02

Finding the Fourth Proportional to 42,190.76, 63,266.60 and 15,530.02

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Solution

The fourth proportional to 42,190.76, 63,266.60 and 15,530.02 is: 23,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.76 : 63,266.60 = 15,530.02 : x
  2. Step 2: Convert to fraction form
    42,190.76/63,266.60 = 15,530.02/x
  3. Step 3: Cross multiply
    42,190.76x = 63,266.60 × 15,530.02
  4. Step 4: Simplify right side
    42,190.76x = 982,531,443.99
  5. Step 5: Solve for x
    x = 982,531,443.99/42,190.76
  6. Step 6: Final answer
    x = 23,287.83

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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.