Home / 30,112.64-41,552.64-18,177.92

Finding the Fourth Proportional to 30,112.64, 41,552.64 and 18,177.92

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Solution

The fourth proportional to 30,112.64, 41,552.64 and 18,177.92 is: 25,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.64 : 41,552.64 = 18,177.92 : x
  2. Step 2: Convert to fraction form
    30,112.64/41,552.64 = 18,177.92/x
  3. Step 3: Cross multiply
    30,112.64x = 41,552.64 × 18,177.92
  4. Step 4: Simplify right side
    30,112.64x = 755,340,565.71
  5. Step 5: Solve for x
    x = 755,340,565.71/30,112.64
  6. Step 6: Final answer
    x = 25,083.84

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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.