Home / 30,108.26-45,145.80-10,370.54

Finding the Fourth Proportional to 30,108.26, 45,145.80 and 10,370.54

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Solution

The fourth proportional to 30,108.26, 45,145.80 and 10,370.54 is: 15,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.26 : 45,145.80 = 10,370.54 : x
  2. Step 2: Convert to fraction form
    30,108.26/45,145.80 = 10,370.54/x
  3. Step 3: Cross multiply
    30,108.26x = 45,145.80 × 10,370.54
  4. Step 4: Simplify right side
    30,108.26x = 468,186,324.73
  5. Step 5: Solve for x
    x = 468,186,324.73/30,108.26
  6. Step 6: Final answer
    x = 15,550.10

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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.