Home / 37,399.48-51,611.52-20,403.99

Finding the Fourth Proportional to 37,399.48, 51,611.52 and 20,403.99

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Solution

The fourth proportional to 37,399.48, 51,611.52 and 20,403.99 is: 28,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399.48 : 51,611.52 = 20,403.99 : x
  2. Step 2: Convert to fraction form
    37,399.48/51,611.52 = 20,403.99/x
  3. Step 3: Cross multiply
    37,399.48x = 51,611.52 × 20,403.99
  4. Step 4: Simplify right side
    37,399.48x = 1,053,080,937.96
  5. Step 5: Solve for x
    x = 1,053,080,937.96/37,399.48
  6. Step 6: Final answer
    x = 28,157.64

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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.