Home / 37,979.19-52,406.81-20,982.42

Finding the Fourth Proportional to 37,979.19, 52,406.81 and 20,982.42

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Solution

The fourth proportional to 37,979.19, 52,406.81 and 20,982.42 is: 28,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.19 : 52,406.81 = 20,982.42 : x
  2. Step 2: Convert to fraction form
    37,979.19/52,406.81 = 20,982.42/x
  3. Step 3: Cross multiply
    37,979.19x = 52,406.81 × 20,982.42
  4. Step 4: Simplify right side
    37,979.19x = 1,099,621,475.53
  5. Step 5: Solve for x
    x = 1,099,621,475.53/37,979.19
  6. Step 6: Final answer
    x = 28,953.27

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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.