Home / 37,630.64-56,479.80-20,115.44

Finding the Fourth Proportional to 37,630.64, 56,479.80 and 20,115.44

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Solution

The fourth proportional to 37,630.64, 56,479.80 and 20,115.44 is: 30,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.64 : 56,479.80 = 20,115.44 : x
  2. Step 2: Convert to fraction form
    37,630.64/56,479.80 = 20,115.44/x
  3. Step 3: Cross multiply
    37,630.64x = 56,479.80 × 20,115.44
  4. Step 4: Simplify right side
    37,630.64x = 1,136,116,028.11
  5. Step 5: Solve for x
    x = 1,136,116,028.11/37,630.64
  6. Step 6: Final answer
    x = 30,191.25

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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.