Home / 30,662.10-45,984.51-13,150.98

Finding the Fourth Proportional to 30,662.10, 45,984.51 and 13,150.98

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Solution

The fourth proportional to 30,662.10, 45,984.51 and 13,150.98 is: 19,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.10 : 45,984.51 = 13,150.98 : x
  2. Step 2: Convert to fraction form
    30,662.10/45,984.51 = 13,150.98/x
  3. Step 3: Cross multiply
    30,662.10x = 45,984.51 × 13,150.98
  4. Step 4: Simplify right side
    30,662.10x = 604,741,371.32
  5. Step 5: Solve for x
    x = 604,741,371.32/30,662.10
  6. Step 6: Final answer
    x = 19,722.76

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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.