Home / 30,031.50-45,144.46-27,867.18

Finding the Fourth Proportional to 30,031.50, 45,144.46 and 27,867.18

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Solution

The fourth proportional to 30,031.50, 45,144.46 and 27,867.18 is: 41,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.50 : 45,144.46 = 27,867.18 : x
  2. Step 2: Convert to fraction form
    30,031.50/45,144.46 = 27,867.18/x
  3. Step 3: Cross multiply
    30,031.50x = 45,144.46 × 27,867.18
  4. Step 4: Simplify right side
    30,031.50x = 1,258,048,792.82
  5. Step 5: Solve for x
    x = 1,258,048,792.82/30,031.50
  6. Step 6: Final answer
    x = 41,890.97

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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.