Home / 30,680.43-45,953.19-25,355.09

Finding the Fourth Proportional to 30,680.43, 45,953.19 and 25,355.09

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Solution

The fourth proportional to 30,680.43, 45,953.19 and 25,355.09 is: 37,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.43 : 45,953.19 = 25,355.09 : x
  2. Step 2: Convert to fraction form
    30,680.43/45,953.19 = 25,355.09/x
  3. Step 3: Cross multiply
    30,680.43x = 45,953.19 × 25,355.09
  4. Step 4: Simplify right side
    30,680.43x = 1,165,147,268.24
  5. Step 5: Solve for x
    x = 1,165,147,268.24/30,680.43
  6. Step 6: Final answer
    x = 37,976.89

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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.