Home / 37,979.45-52,412.18-20,984.08

Finding the Fourth Proportional to 37,979.45, 52,412.18 and 20,984.08

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Solution

The fourth proportional to 37,979.45, 52,412.18 and 20,984.08 is: 28,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.45 : 52,412.18 = 20,984.08 : x
  2. Step 2: Convert to fraction form
    37,979.45/52,412.18 = 20,984.08/x
  3. Step 3: Cross multiply
    37,979.45x = 52,412.18 × 20,984.08
  4. Step 4: Simplify right side
    37,979.45x = 1,099,821,466.61
  5. Step 5: Solve for x
    x = 1,099,821,466.61/37,979.45
  6. Step 6: Final answer
    x = 28,958.33

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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.