Home / 30,110.70-45,147.81-13,467.63

Finding the Fourth Proportional to 30,110.70, 45,147.81 and 13,467.63

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Solution

The fourth proportional to 30,110.70, 45,147.81 and 13,467.63 is: 20,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.70 : 45,147.81 = 13,467.63 : x
  2. Step 2: Convert to fraction form
    30,110.70/45,147.81 = 13,467.63/x
  3. Step 3: Cross multiply
    30,110.70x = 45,147.81 × 13,467.63
  4. Step 4: Simplify right side
    30,110.70x = 608,034,000.39
  5. Step 5: Solve for x
    x = 608,034,000.39/30,110.70
  6. Step 6: Final answer
    x = 20,193.29

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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.