Home / 43,247.70-64,861.74-19,851.66

Finding the Fourth Proportional to 43,247.70, 64,861.74 and 19,851.66

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Solution

The fourth proportional to 43,247.70, 64,861.74 and 19,851.66 is: 29,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,247.70 : 64,861.74 = 19,851.66 : x
  2. Step 2: Convert to fraction form
    43,247.70/64,861.74 = 19,851.66/x
  3. Step 3: Cross multiply
    43,247.70x = 64,861.74 × 19,851.66
  4. Step 4: Simplify right side
    43,247.70x = 1,287,613,209.49
  5. Step 5: Solve for x
    x = 1,287,613,209.49/43,247.70
  6. Step 6: Final answer
    x = 29,772.99

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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.