Home / 43,266.96-64,847.88-19,861.20

Finding the Fourth Proportional to 43,266.96, 64,847.88 and 19,861.20

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Solution

The fourth proportional to 43,266.96, 64,847.88 and 19,861.20 is: 29,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.96 : 64,847.88 = 19,861.20 : x
  2. Step 2: Convert to fraction form
    43,266.96/64,847.88 = 19,861.20/x
  3. Step 3: Cross multiply
    43,266.96x = 64,847.88 × 19,861.20
  4. Step 4: Simplify right side
    43,266.96x = 1,287,956,714.26
  5. Step 5: Solve for x
    x = 1,287,956,714.26/43,266.96
  6. Step 6: Final answer
    x = 29,767.67

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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.