Home / 30,390.24-41,844.96-25,903.92

Finding the Fourth Proportional to 30,390.24, 41,844.96 and 25,903.92

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Solution

The fourth proportional to 30,390.24, 41,844.96 and 25,903.92 is: 35,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.24 : 41,844.96 = 25,903.92 : x
  2. Step 2: Convert to fraction form
    30,390.24/41,844.96 = 25,903.92/x
  3. Step 3: Cross multiply
    30,390.24x = 41,844.96 × 25,903.92
  4. Step 4: Simplify right side
    30,390.24x = 1,083,948,496.24
  5. Step 5: Solve for x
    x = 1,083,948,496.24/30,390.24
  6. Step 6: Final answer
    x = 35,667.65

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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.