Home / 39,405.71-59,107.98-18,333.96

Finding the Fourth Proportional to 39,405.71, 59,107.98 and 18,333.96

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Solution

The fourth proportional to 39,405.71, 59,107.98 and 18,333.96 is: 27,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.71 : 59,107.98 = 18,333.96 : x
  2. Step 2: Convert to fraction form
    39,405.71/59,107.98 = 18,333.96/x
  3. Step 3: Cross multiply
    39,405.71x = 59,107.98 × 18,333.96
  4. Step 4: Simplify right side
    39,405.71x = 1,083,683,341.00
  5. Step 5: Solve for x
    x = 1,083,683,341.00/39,405.71
  6. Step 6: Final answer
    x = 27,500.67

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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.