Home / 39,313.80-54,270.54-23,403.78

Finding the Fourth Proportional to 39,313.80, 54,270.54 and 23,403.78

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Solution

The fourth proportional to 39,313.80, 54,270.54 and 23,403.78 is: 32,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.80 : 54,270.54 = 23,403.78 : x
  2. Step 2: Convert to fraction form
    39,313.80/54,270.54 = 23,403.78/x
  3. Step 3: Cross multiply
    39,313.80x = 54,270.54 × 23,403.78
  4. Step 4: Simplify right side
    39,313.80x = 1,270,135,778.64
  5. Step 5: Solve for x
    x = 1,270,135,778.64/39,313.80
  6. Step 6: Final answer
    x = 32,307.63

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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.