Home / 30,881.30-46,343.55-13,363.70

Finding the Fourth Proportional to 30,881.30, 46,343.55 and 13,363.70

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Solution

The fourth proportional to 30,881.30, 46,343.55 and 13,363.70 is: 20,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.30 : 46,343.55 = 13,363.70 : x
  2. Step 2: Convert to fraction form
    30,881.30/46,343.55 = 13,363.70/x
  3. Step 3: Cross multiply
    30,881.30x = 46,343.55 × 13,363.70
  4. Step 4: Simplify right side
    30,881.30x = 619,321,299.14
  5. Step 5: Solve for x
    x = 619,321,299.14/30,881.30
  6. Step 6: Final answer
    x = 20,054.90

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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.