Home / 39,274.70-54,197.46-21,369.74

Finding the Fourth Proportional to 39,274.70, 54,197.46 and 21,369.74

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Solution

The fourth proportional to 39,274.70, 54,197.46 and 21,369.74 is: 29,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.70 : 54,197.46 = 21,369.74 : x
  2. Step 2: Convert to fraction form
    39,274.70/54,197.46 = 21,369.74/x
  3. Step 3: Cross multiply
    39,274.70x = 54,197.46 × 21,369.74
  4. Step 4: Simplify right side
    39,274.70x = 1,158,185,357.87
  5. Step 5: Solve for x
    x = 1,158,185,357.87/39,274.70
  6. Step 6: Final answer
    x = 29,489.35

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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.