Home / 61,760.24-85,234.12-34,908.36

Finding the Fourth Proportional to 61,760.24, 85,234.12 and 34,908.36

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Solution

The fourth proportional to 61,760.24, 85,234.12 and 34,908.36 is: 48,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,760.24 : 85,234.12 = 34,908.36 : x
  2. Step 2: Convert to fraction form
    61,760.24/85,234.12 = 34,908.36/x
  3. Step 3: Cross multiply
    61,760.24x = 85,234.12 × 34,908.36
  4. Step 4: Simplify right side
    61,760.24x = 2,975,383,345.24
  5. Step 5: Solve for x
    x = 2,975,383,345.24/61,760.24
  6. Step 6: Final answer
    x = 48,176.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.