Home / 30,470.09-45,683.67-11,734.43

Finding the Fourth Proportional to 30,470.09, 45,683.67 and 11,734.43

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Solution

The fourth proportional to 30,470.09, 45,683.67 and 11,734.43 is: 17,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.09 : 45,683.67 = 11,734.43 : x
  2. Step 2: Convert to fraction form
    30,470.09/45,683.67 = 11,734.43/x
  3. Step 3: Cross multiply
    30,470.09x = 45,683.67 × 11,734.43
  4. Step 4: Simplify right side
    30,470.09x = 536,071,827.76
  5. Step 5: Solve for x
    x = 536,071,827.76/30,470.09
  6. Step 6: Final answer
    x = 17,593.38

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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.