Home / 42,091.48-63,119.94-15,782.68

Finding the Fourth Proportional to 42,091.48, 63,119.94 and 15,782.68

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Solution

The fourth proportional to 42,091.48, 63,119.94 and 15,782.68 is: 23,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,091.48 : 63,119.94 = 15,782.68 : x
  2. Step 2: Convert to fraction form
    42,091.48/63,119.94 = 15,782.68/x
  3. Step 3: Cross multiply
    42,091.48x = 63,119.94 × 15,782.68
  4. Step 4: Simplify right side
    42,091.48x = 996,201,814.64
  5. Step 5: Solve for x
    x = 996,201,814.64/42,091.48
  6. Step 6: Final answer
    x = 23,667.54

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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.