Home / 30,109.06-45,172.72-11,394.84

Finding the Fourth Proportional to 30,109.06, 45,172.72 and 11,394.84

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Solution

The fourth proportional to 30,109.06, 45,172.72 and 11,394.84 is: 17,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.06 : 45,172.72 = 11,394.84 : x
  2. Step 2: Convert to fraction form
    30,109.06/45,172.72 = 11,394.84/x
  3. Step 3: Cross multiply
    30,109.06x = 45,172.72 × 11,394.84
  4. Step 4: Simplify right side
    30,109.06x = 514,735,916.76
  5. Step 5: Solve for x
    x = 514,735,916.76/30,109.06
  6. Step 6: Final answer
    x = 17,095.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.