Home / 35,623.20-53,145.12-30,396

Finding the Fourth Proportional to 35,623.20, 53,145.12 and 30,396

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Solution

The fourth proportional to 35,623.20, 53,145.12 and 30,396 is: 45,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.20 : 53,145.12 = 30,396 : x
  2. Step 2: Convert to fraction form
    35,623.20/53,145.12 = 30,396/x
  3. Step 3: Cross multiply
    35,623.20x = 53,145.12 × 30,396
  4. Step 4: Simplify right side
    35,623.20x = 1,615,399,067.52
  5. Step 5: Solve for x
    x = 1,615,399,067.52/35,623.20
  6. Step 6: Final answer
    x = 45,346.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.