Home / 39,657.62-59,491.92-13,369.88

Finding the Fourth Proportional to 39,657.62, 59,491.92 and 13,369.88

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Solution

The fourth proportional to 39,657.62, 59,491.92 and 13,369.88 is: 20,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.62 : 59,491.92 = 13,369.88 : x
  2. Step 2: Convert to fraction form
    39,657.62/59,491.92 = 13,369.88/x
  3. Step 3: Cross multiply
    39,657.62x = 59,491.92 × 13,369.88
  4. Step 4: Simplify right side
    39,657.62x = 795,399,831.37
  5. Step 5: Solve for x
    x = 795,399,831.37/39,657.62
  6. Step 6: Final answer
    x = 20,056.67

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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.