Home / 30,050.62-45,086.27-13,422.13

Finding the Fourth Proportional to 30,050.62, 45,086.27 and 13,422.13

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Solution

The fourth proportional to 30,050.62, 45,086.27 and 13,422.13 is: 20,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.62 : 45,086.27 = 13,422.13 : x
  2. Step 2: Convert to fraction form
    30,050.62/45,086.27 = 13,422.13/x
  3. Step 3: Cross multiply
    30,050.62x = 45,086.27 × 13,422.13
  4. Step 4: Simplify right side
    30,050.62x = 605,153,597.33
  5. Step 5: Solve for x
    x = 605,153,597.33/30,050.62
  6. Step 6: Final answer
    x = 20,137.81

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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.