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Finding the Fourth Proportional to 30,057.68, 41,454.03 and 18,118.52

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Solution

The fourth proportional to 30,057.68, 41,454.03 and 18,118.52 is: 24,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.68 : 41,454.03 = 18,118.52 : x
  2. Step 2: Convert to fraction form
    30,057.68/41,454.03 = 18,118.52/x
  3. Step 3: Cross multiply
    30,057.68x = 41,454.03 × 18,118.52
  4. Step 4: Simplify right side
    30,057.68x = 751,085,671.64
  5. Step 5: Solve for x
    x = 751,085,671.64/30,057.68
  6. Step 6: Final answer
    x = 24,988.15

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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.