Home / 39,114.28-53,963.56-25,692.80

Finding the Fourth Proportional to 39,114.28, 53,963.56 and 25,692.80

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Solution

The fourth proportional to 39,114.28, 53,963.56 and 25,692.80 is: 35,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,114.28 : 53,963.56 = 25,692.80 : x
  2. Step 2: Convert to fraction form
    39,114.28/53,963.56 = 25,692.80/x
  3. Step 3: Cross multiply
    39,114.28x = 53,963.56 × 25,692.80
  4. Step 4: Simplify right side
    39,114.28x = 1,386,474,954.37
  5. Step 5: Solve for x
    x = 1,386,474,954.37/39,114.28
  6. Step 6: Final answer
    x = 35,446.77

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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.