Home / 39,817.63-54,953.40-25,711.48

Finding the Fourth Proportional to 39,817.63, 54,953.40 and 25,711.48

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Solution

The fourth proportional to 39,817.63, 54,953.40 and 25,711.48 is: 35,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.63 : 54,953.40 = 25,711.48 : x
  2. Step 2: Convert to fraction form
    39,817.63/54,953.40 = 25,711.48/x
  3. Step 3: Cross multiply
    39,817.63x = 54,953.40 × 25,711.48
  4. Step 4: Simplify right side
    39,817.63x = 1,412,933,245.03
  5. Step 5: Solve for x
    x = 1,412,933,245.03/39,817.63
  6. Step 6: Final answer
    x = 35,485.12

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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.