Home / 39,375.81-59,059.32-14,069.90

Finding the Fourth Proportional to 39,375.81, 59,059.32 and 14,069.90

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Solution

The fourth proportional to 39,375.81, 59,059.32 and 14,069.90 is: 21,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.81 : 59,059.32 = 14,069.90 : x
  2. Step 2: Convert to fraction form
    39,375.81/59,059.32 = 14,069.90/x
  3. Step 3: Cross multiply
    39,375.81x = 59,059.32 × 14,069.90
  4. Step 4: Simplify right side
    39,375.81x = 830,958,431.17
  5. Step 5: Solve for x
    x = 830,958,431.17/39,375.81
  6. Step 6: Final answer
    x = 21,103.27

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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.