Home / 37,980.39-52,412.76-20,984.63

Finding the Fourth Proportional to 37,980.39, 52,412.76 and 20,984.63

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Solution

The fourth proportional to 37,980.39, 52,412.76 and 20,984.63 is: 28,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980.39 : 52,412.76 = 20,984.63 : x
  2. Step 2: Convert to fraction form
    37,980.39/52,412.76 = 20,984.63/x
  3. Step 3: Cross multiply
    37,980.39x = 52,412.76 × 20,984.63
  4. Step 4: Simplify right side
    37,980.39x = 1,099,862,375.88
  5. Step 5: Solve for x
    x = 1,099,862,375.88/37,980.39
  6. Step 6: Final answer
    x = 28,958.69

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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.