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Finding the Fourth Proportional to 62,383.13, 86,089.32 and 34,089.42

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Solution

The fourth proportional to 62,383.13, 86,089.32 and 34,089.42 is: 47,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,383.13 : 86,089.32 = 34,089.42 : x
  2. Step 2: Convert to fraction form
    62,383.13/86,089.32 = 34,089.42/x
  3. Step 3: Cross multiply
    62,383.13x = 86,089.32 × 34,089.42
  4. Step 4: Simplify right side
    62,383.13x = 2,934,734,986.99
  5. Step 5: Solve for x
    x = 2,934,734,986.99/62,383.13
  6. Step 6: Final answer
    x = 47,043.73

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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.