Home / 40,657.60-61,012.42-21,950.67

Finding the Fourth Proportional to 40,657.60, 61,012.42 and 21,950.67

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Solution

The fourth proportional to 40,657.60, 61,012.42 and 21,950.67 is: 32,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,657.60 : 61,012.42 = 21,950.67 : x
  2. Step 2: Convert to fraction form
    40,657.60/61,012.42 = 21,950.67/x
  3. Step 3: Cross multiply
    40,657.60x = 61,012.42 × 21,950.67
  4. Step 4: Simplify right side
    40,657.60x = 1,339,263,753.56
  5. Step 5: Solve for x
    x = 1,339,263,753.56/40,657.60
  6. Step 6: Final answer
    x = 32,940.06

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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.