Home / 30,148.30-41,599.29-18,203.64

Finding the Fourth Proportional to 30,148.30, 41,599.29 and 18,203.64

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Solution

The fourth proportional to 30,148.30, 41,599.29 and 18,203.64 is: 25,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.30 : 41,599.29 = 18,203.64 : x
  2. Step 2: Convert to fraction form
    30,148.30/41,599.29 = 18,203.64/x
  3. Step 3: Cross multiply
    30,148.30x = 41,599.29 × 18,203.64
  4. Step 4: Simplify right side
    30,148.30x = 757,258,499.42
  5. Step 5: Solve for x
    x = 757,258,499.42/30,148.30
  6. Step 6: Final answer
    x = 25,117.78

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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.