Home / 43,611.38-65,427.60-14,031.98

Finding the Fourth Proportional to 43,611.38, 65,427.60 and 14,031.98

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Solution

The fourth proportional to 43,611.38, 65,427.60 and 14,031.98 is: 21,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.38 : 65,427.60 = 14,031.98 : x
  2. Step 2: Convert to fraction form
    43,611.38/65,427.60 = 14,031.98/x
  3. Step 3: Cross multiply
    43,611.38x = 65,427.60 × 14,031.98
  4. Step 4: Simplify right side
    43,611.38x = 918,078,774.65
  5. Step 5: Solve for x
    x = 918,078,774.65/43,611.38
  6. Step 6: Final answer
    x = 21,051.36

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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.