Home / 30,200.70-45,317.31-17,745.03

Finding the Fourth Proportional to 30,200.70, 45,317.31 and 17,745.03

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Solution

The fourth proportional to 30,200.70, 45,317.31 and 17,745.03 is: 26,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.70 : 45,317.31 = 17,745.03 : x
  2. Step 2: Convert to fraction form
    30,200.70/45,317.31 = 17,745.03/x
  3. Step 3: Cross multiply
    30,200.70x = 45,317.31 × 17,745.03
  4. Step 4: Simplify right side
    30,200.70x = 804,157,025.47
  5. Step 5: Solve for x
    x = 804,157,025.47/30,200.70
  6. Step 6: Final answer
    x = 26,627.10

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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.