Home / 37,879.50-52,274.01-20,884.35

Finding the Fourth Proportional to 37,879.50, 52,274.01 and 20,884.35

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Solution

The fourth proportional to 37,879.50, 52,274.01 and 20,884.35 is: 28,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.50 : 52,274.01 = 20,884.35 : x
  2. Step 2: Convert to fraction form
    37,879.50/52,274.01 = 20,884.35/x
  3. Step 3: Cross multiply
    37,879.50x = 52,274.01 × 20,884.35
  4. Step 4: Simplify right side
    37,879.50x = 1,091,708,720.74
  5. Step 5: Solve for x
    x = 1,091,708,720.74/37,879.50
  6. Step 6: Final answer
    x = 28,820.57

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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.