Home / 39,301.36-54,284.58-28,529.04

Finding the Fourth Proportional to 39,301.36, 54,284.58 and 28,529.04

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Solution

The fourth proportional to 39,301.36, 54,284.58 and 28,529.04 is: 39,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.36 : 54,284.58 = 28,529.04 : x
  2. Step 2: Convert to fraction form
    39,301.36/54,284.58 = 28,529.04/x
  3. Step 3: Cross multiply
    39,301.36x = 54,284.58 × 28,529.04
  4. Step 4: Simplify right side
    39,301.36x = 1,548,686,954.20
  5. Step 5: Solve for x
    x = 1,548,686,954.20/39,301.36
  6. Step 6: Final answer
    x = 39,405.43

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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.