Home / 50,531.98-75,825.30-20,970.22

Finding the Fourth Proportional to 50,531.98, 75,825.30 and 20,970.22

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Solution

The fourth proportional to 50,531.98, 75,825.30 and 20,970.22 is: 31,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.98 : 75,825.30 = 20,970.22 : x
  2. Step 2: Convert to fraction form
    50,531.98/75,825.30 = 20,970.22/x
  3. Step 3: Cross multiply
    50,531.98x = 75,825.30 × 20,970.22
  4. Step 4: Simplify right side
    50,531.98x = 1,590,073,222.57
  5. Step 5: Solve for x
    x = 1,590,073,222.57/50,531.98
  6. Step 6: Final answer
    x = 31,466.67

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1.5x scale

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.