Home / 30,580.89-45,883.01-11,874.06

Finding the Fourth Proportional to 30,580.89, 45,883.01 and 11,874.06

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Solution

The fourth proportional to 30,580.89, 45,883.01 and 11,874.06 is: 17,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580.89 : 45,883.01 = 11,874.06 : x
  2. Step 2: Convert to fraction form
    30,580.89/45,883.01 = 11,874.06/x
  3. Step 3: Cross multiply
    30,580.89x = 45,883.01 × 11,874.06
  4. Step 4: Simplify right side
    30,580.89x = 544,817,643.41
  5. Step 5: Solve for x
    x = 544,817,643.41/30,580.89
  6. Step 6: Final answer
    x = 17,815.62

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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.