Home / 45,233.60-67,850.40-18,935.60

Finding the Fourth Proportional to 45,233.60, 67,850.40 and 18,935.60

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Solution

The fourth proportional to 45,233.60, 67,850.40 and 18,935.60 is: 28,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.60 : 67,850.40 = 18,935.60 : x
  2. Step 2: Convert to fraction form
    45,233.60/67,850.40 = 18,935.60/x
  3. Step 3: Cross multiply
    45,233.60x = 67,850.40 × 18,935.60
  4. Step 4: Simplify right side
    45,233.60x = 1,284,788,034.24
  5. Step 5: Solve for x
    x = 1,284,788,034.24/45,233.60
  6. Step 6: Final answer
    x = 28,403.40

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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.