Home / 39,809.93-59,705.28-11,722.34

Finding the Fourth Proportional to 39,809.93, 59,705.28 and 11,722.34

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Solution

The fourth proportional to 39,809.93, 59,705.28 and 11,722.34 is: 17,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.93 : 59,705.28 = 11,722.34 : x
  2. Step 2: Convert to fraction form
    39,809.93/59,705.28 = 11,722.34/x
  3. Step 3: Cross multiply
    39,809.93x = 59,705.28 × 11,722.34
  4. Step 4: Simplify right side
    39,809.93x = 699,885,741.22
  5. Step 5: Solve for x
    x = 699,885,741.22/39,809.93
  6. Step 6: Final answer
    x = 17,580.68

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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.