Home / 39,168.44-54,052.56-21,263.45

Finding the Fourth Proportional to 39,168.44, 54,052.56 and 21,263.45

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Solution

The fourth proportional to 39,168.44, 54,052.56 and 21,263.45 is: 29,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.44 : 54,052.56 = 21,263.45 : x
  2. Step 2: Convert to fraction form
    39,168.44/54,052.56 = 21,263.45/x
  3. Step 3: Cross multiply
    39,168.44x = 54,052.56 × 21,263.45
  4. Step 4: Simplify right side
    39,168.44x = 1,149,343,636.67
  5. Step 5: Solve for x
    x = 1,149,343,636.67/39,168.44
  6. Step 6: Final answer
    x = 29,343.62

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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.