Home / 30,179.46-45,258.26-13,530.92

Finding the Fourth Proportional to 30,179.46, 45,258.26 and 13,530.92

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Solution

The fourth proportional to 30,179.46, 45,258.26 and 13,530.92 is: 20,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.46 : 45,258.26 = 13,530.92 : x
  2. Step 2: Convert to fraction form
    30,179.46/45,258.26 = 13,530.92/x
  3. Step 3: Cross multiply
    30,179.46x = 45,258.26 × 13,530.92
  4. Step 4: Simplify right side
    30,179.46x = 612,386,002.35
  5. Step 5: Solve for x
    x = 612,386,002.35/30,179.46
  6. Step 6: Final answer
    x = 20,291.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.