Home / 39,133.28-53,997.84-25,709.92

Finding the Fourth Proportional to 39,133.28, 53,997.84 and 25,709.92

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Solution

The fourth proportional to 39,133.28, 53,997.84 and 25,709.92 is: 35,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.28 : 53,997.84 = 25,709.92 : x
  2. Step 2: Convert to fraction form
    39,133.28/53,997.84 = 25,709.92/x
  3. Step 3: Cross multiply
    39,133.28x = 53,997.84 × 25,709.92
  4. Step 4: Simplify right side
    39,133.28x = 1,388,280,146.57
  5. Step 5: Solve for x
    x = 1,388,280,146.57/39,133.28
  6. Step 6: Final answer
    x = 35,475.69

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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.