Home / 30,330.54-45,468.09-25,680.51

Finding the Fourth Proportional to 30,330.54, 45,468.09 and 25,680.51

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Solution

The fourth proportional to 30,330.54, 45,468.09 and 25,680.51 is: 38,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.54 : 45,468.09 = 25,680.51 : x
  2. Step 2: Convert to fraction form
    30,330.54/45,468.09 = 25,680.51/x
  3. Step 3: Cross multiply
    30,330.54x = 45,468.09 × 25,680.51
  4. Step 4: Simplify right side
    30,330.54x = 1,167,643,739.93
  5. Step 5: Solve for x
    x = 1,167,643,739.93/30,330.54
  6. Step 6: Final answer
    x = 38,497.29

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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.