Home / 37,636.64-56,488.80-20,121.44

Finding the Fourth Proportional to 37,636.64, 56,488.80 and 20,121.44

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Solution

The fourth proportional to 37,636.64, 56,488.80 and 20,121.44 is: 30,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.64 : 56,488.80 = 20,121.44 : x
  2. Step 2: Convert to fraction form
    37,636.64/56,488.80 = 20,121.44/x
  3. Step 3: Cross multiply
    37,636.64x = 56,488.80 × 20,121.44
  4. Step 4: Simplify right side
    37,636.64x = 1,136,635,999.87
  5. Step 5: Solve for x
    x = 1,136,635,999.87/37,636.64
  6. Step 6: Final answer
    x = 30,200.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.