Home / 36,705.51-55,079.06-15,643.35

Finding the Fourth Proportional to 36,705.51, 55,079.06 and 15,643.35

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Solution

The fourth proportional to 36,705.51, 55,079.06 and 15,643.35 is: 23,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.51 : 55,079.06 = 15,643.35 : x
  2. Step 2: Convert to fraction form
    36,705.51/55,079.06 = 15,643.35/x
  3. Step 3: Cross multiply
    36,705.51x = 55,079.06 × 15,643.35
  4. Step 4: Simplify right side
    36,705.51x = 861,620,935.03
  5. Step 5: Solve for x
    x = 861,620,935.03/36,705.51
  6. Step 6: Final answer
    x = 23,473.89

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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.