Home / 35,414.40-53,121.60-18,825.60

Finding the Fourth Proportional to 35,414.40, 53,121.60 and 18,825.60

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Solution

The fourth proportional to 35,414.40, 53,121.60 and 18,825.60 is: 28,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,414.40 : 53,121.60 = 18,825.60 : x
  2. Step 2: Convert to fraction form
    35,414.40/53,121.60 = 18,825.60/x
  3. Step 3: Cross multiply
    35,414.40x = 53,121.60 × 18,825.60
  4. Step 4: Simplify right side
    35,414.40x = 1,000,045,992.96
  5. Step 5: Solve for x
    x = 1,000,045,992.96/35,414.40
  6. Step 6: Final answer
    x = 28,238.40

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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.