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Finding the Fourth Proportional to 62,609.80, 93,906.48 and 31,007.56

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Solution

The fourth proportional to 62,609.80, 93,906.48 and 31,007.56 is: 46,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,609.80 : 93,906.48 = 31,007.56 : x
  2. Step 2: Convert to fraction form
    62,609.80/93,906.48 = 31,007.56/x
  3. Step 3: Cross multiply
    62,609.80x = 93,906.48 × 31,007.56
  4. Step 4: Simplify right side
    62,609.80x = 2,911,810,812.99
  5. Step 5: Solve for x
    x = 2,911,810,812.99/62,609.80
  6. Step 6: Final answer
    x = 46,507.27

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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.