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Finding the Fourth Proportional to 45,637.62, 62,979.92 and 25,765.62

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Solution

The fourth proportional to 45,637.62, 62,979.92 and 25,765.62 is: 35,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.62 : 62,979.92 = 25,765.62 : x
  2. Step 2: Convert to fraction form
    45,637.62/62,979.92 = 25,765.62/x
  3. Step 3: Cross multiply
    45,637.62x = 62,979.92 × 25,765.62
  4. Step 4: Simplify right side
    45,637.62x = 1,622,716,686.35
  5. Step 5: Solve for x
    x = 1,622,716,686.35/45,637.62
  6. Step 6: Final answer
    x = 35,556.56

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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.