Home / 30,062.22-45,107.46-13,420.74

Finding the Fourth Proportional to 30,062.22, 45,107.46 and 13,420.74

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Solution

The fourth proportional to 30,062.22, 45,107.46 and 13,420.74 is: 20,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.22 : 45,107.46 = 13,420.74 : x
  2. Step 2: Convert to fraction form
    30,062.22/45,107.46 = 13,420.74/x
  3. Step 3: Cross multiply
    30,062.22x = 45,107.46 × 13,420.74
  4. Step 4: Simplify right side
    30,062.22x = 605,375,492.72
  5. Step 5: Solve for x
    x = 605,375,492.72/30,062.22
  6. Step 6: Final answer
    x = 20,137.42

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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.