Home / 30,840.75-42,546.96-18,097.83

Finding the Fourth Proportional to 30,840.75, 42,546.96 and 18,097.83

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Solution

The fourth proportional to 30,840.75, 42,546.96 and 18,097.83 is: 24,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.75 : 42,546.96 = 18,097.83 : x
  2. Step 2: Convert to fraction form
    30,840.75/42,546.96 = 18,097.83/x
  3. Step 3: Cross multiply
    30,840.75x = 42,546.96 × 18,097.83
  4. Step 4: Simplify right side
    30,840.75x = 770,007,649.10
  5. Step 5: Solve for x
    x = 770,007,649.10/30,840.75
  6. Step 6: Final answer
    x = 24,967.22

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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.