Home / 40,744.26-61,117.67-12,664.46

Finding the Fourth Proportional to 40,744.26, 61,117.67 and 12,664.46

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Solution

The fourth proportional to 40,744.26, 61,117.67 and 12,664.46 is: 18,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,744.26 : 61,117.67 = 12,664.46 : x
  2. Step 2: Convert to fraction form
    40,744.26/61,117.67 = 12,664.46/x
  3. Step 3: Cross multiply
    40,744.26x = 61,117.67 × 12,664.46
  4. Step 4: Simplify right side
    40,744.26x = 774,021,918.10
  5. Step 5: Solve for x
    x = 774,021,918.10/40,744.26
  6. Step 6: Final answer
    x = 18,997.08

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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.