Home / 36,647.72-54,878.54-30,708.99

Finding the Fourth Proportional to 36,647.72, 54,878.54 and 30,708.99

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Solution

The fourth proportional to 36,647.72, 54,878.54 and 30,708.99 is: 45,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647.72 : 54,878.54 = 30,708.99 : x
  2. Step 2: Convert to fraction form
    36,647.72/54,878.54 = 30,708.99/x
  3. Step 3: Cross multiply
    36,647.72x = 54,878.54 × 30,708.99
  4. Step 4: Simplify right side
    36,647.72x = 1,685,264,536.07
  5. Step 5: Solve for x
    x = 1,685,264,536.07/36,647.72
  6. Step 6: Final answer
    x = 45,985.52

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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.