Home / 30,272.69-41,767.95-18,170.02

Finding the Fourth Proportional to 30,272.69, 41,767.95 and 18,170.02

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Solution

The fourth proportional to 30,272.69, 41,767.95 and 18,170.02 is: 25,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.69 : 41,767.95 = 18,170.02 : x
  2. Step 2: Convert to fraction form
    30,272.69/41,767.95 = 18,170.02/x
  3. Step 3: Cross multiply
    30,272.69x = 41,767.95 × 18,170.02
  4. Step 4: Simplify right side
    30,272.69x = 758,924,607.21
  5. Step 5: Solve for x
    x = 758,924,607.21/30,272.69
  6. Step 6: Final answer
    x = 25,069.62

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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.