Home / 31,336.62-46,989.81-18,192.30

Finding the Fourth Proportional to 31,336.62, 46,989.81 and 18,192.30

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Solution

The fourth proportional to 31,336.62, 46,989.81 and 18,192.30 is: 27,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.62 : 46,989.81 = 18,192.30 : x
  2. Step 2: Convert to fraction form
    31,336.62/46,989.81 = 18,192.30/x
  3. Step 3: Cross multiply
    31,336.62x = 46,989.81 × 18,192.30
  4. Step 4: Simplify right side
    31,336.62x = 854,852,720.46
  5. Step 5: Solve for x
    x = 854,852,720.46/31,336.62
  6. Step 6: Final answer
    x = 27,279.67

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1.5x scale

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.