Home / 30,635.33-45,931.37-11,899.76

Finding the Fourth Proportional to 30,635.33, 45,931.37 and 11,899.76

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Solution

The fourth proportional to 30,635.33, 45,931.37 and 11,899.76 is: 17,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.33 : 45,931.37 = 11,899.76 : x
  2. Step 2: Convert to fraction form
    30,635.33/45,931.37 = 11,899.76/x
  3. Step 3: Cross multiply
    30,635.33x = 45,931.37 × 11,899.76
  4. Step 4: Simplify right side
    30,635.33x = 546,571,990.32
  5. Step 5: Solve for x
    x = 546,571,990.32/30,635.33
  6. Step 6: Final answer
    x = 17,841.23

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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.