Home / 36,840.21-55,276.80-19,306.02

Finding the Fourth Proportional to 36,840.21, 55,276.80 and 19,306.02

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Solution

The fourth proportional to 36,840.21, 55,276.80 and 19,306.02 is: 28,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.21 : 55,276.80 = 19,306.02 : x
  2. Step 2: Convert to fraction form
    36,840.21/55,276.80 = 19,306.02/x
  3. Step 3: Cross multiply
    36,840.21x = 55,276.80 × 19,306.02
  4. Step 4: Simplify right side
    36,840.21x = 1,067,175,006.34
  5. Step 5: Solve for x
    x = 1,067,175,006.34/36,840.21
  6. Step 6: Final answer
    x = 28,967.67

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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.