Home / 30,154.55-41,618.26-16,730.12

Finding the Fourth Proportional to 30,154.55, 41,618.26 and 16,730.12

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Solution

The fourth proportional to 30,154.55, 41,618.26 and 16,730.12 is: 23,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.55 : 41,618.26 = 16,730.12 : x
  2. Step 2: Convert to fraction form
    30,154.55/41,618.26 = 16,730.12/x
  3. Step 3: Cross multiply
    30,154.55x = 41,618.26 × 16,730.12
  4. Step 4: Simplify right side
    30,154.55x = 696,278,400.34
  5. Step 5: Solve for x
    x = 696,278,400.34/30,154.55
  6. Step 6: Final answer
    x = 23,090.33

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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.