Home / 39,168.36-54,052.36-21,263.36

Finding the Fourth Proportional to 39,168.36, 54,052.36 and 21,263.36

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Solution

The fourth proportional to 39,168.36, 54,052.36 and 21,263.36 is: 29,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.36 : 54,052.36 = 21,263.36 : x
  2. Step 2: Convert to fraction form
    39,168.36/54,052.36 = 21,263.36/x
  3. Step 3: Cross multiply
    39,168.36x = 54,052.36 × 21,263.36
  4. Step 4: Simplify right side
    39,168.36x = 1,149,334,789.53
  5. Step 5: Solve for x
    x = 1,149,334,789.53/39,168.36
  6. Step 6: Final answer
    x = 29,343.45

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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.