Home / 53,861.43-74,280.39-33,720.15

Finding the Fourth Proportional to 53,861.43, 74,280.39 and 33,720.15

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Solution

The fourth proportional to 53,861.43, 74,280.39 and 33,720.15 is: 46,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.43 : 74,280.39 = 33,720.15 : x
  2. Step 2: Convert to fraction form
    53,861.43/74,280.39 = 33,720.15/x
  3. Step 3: Cross multiply
    53,861.43x = 74,280.39 × 33,720.15
  4. Step 4: Simplify right side
    53,861.43x = 2,504,745,892.86
  5. Step 5: Solve for x
    x = 2,504,745,892.86/53,861.43
  6. Step 6: Final answer
    x = 46,503.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.