Home / 42,013.93-62,986.66-19,538.79

Finding the Fourth Proportional to 42,013.93, 62,986.66 and 19,538.79

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Solution

The fourth proportional to 42,013.93, 62,986.66 and 19,538.79 is: 29,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.93 : 62,986.66 = 19,538.79 : x
  2. Step 2: Convert to fraction form
    42,013.93/62,986.66 = 19,538.79/x
  3. Step 3: Cross multiply
    42,013.93x = 62,986.66 × 19,538.79
  4. Step 4: Simplify right side
    42,013.93x = 1,230,682,709.91
  5. Step 5: Solve for x
    x = 1,230,682,709.91/42,013.93
  6. Step 6: Final answer
    x = 29,292.25

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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.