Home / 60,571.67-90,846.56-21,140.06

Finding the Fourth Proportional to 60,571.67, 90,846.56 and 21,140.06

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Solution

The fourth proportional to 60,571.67, 90,846.56 and 21,140.06 is: 31,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571.67 : 90,846.56 = 21,140.06 : x
  2. Step 2: Convert to fraction form
    60,571.67/90,846.56 = 21,140.06/x
  3. Step 3: Cross multiply
    60,571.67x = 90,846.56 × 21,140.06
  4. Step 4: Simplify right side
    60,571.67x = 1,920,501,327.81
  5. Step 5: Solve for x
    x = 1,920,501,327.81/60,571.67
  6. Step 6: Final answer
    x = 31,706.27

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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.