Home / 30,348.61-41,873.96-18,411.64

Finding the Fourth Proportional to 30,348.61, 41,873.96 and 18,411.64

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Solution

The fourth proportional to 30,348.61, 41,873.96 and 18,411.64 is: 25,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.61 : 41,873.96 = 18,411.64 : x
  2. Step 2: Convert to fraction form
    30,348.61/41,873.96 = 18,411.64/x
  3. Step 3: Cross multiply
    30,348.61x = 41,873.96 × 18,411.64
  4. Step 4: Simplify right side
    30,348.61x = 770,968,218.24
  5. Step 5: Solve for x
    x = 770,968,218.24/30,348.61
  6. Step 6: Final answer
    x = 25,403.74

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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.