Home / 43,136.63-64,704.95-19,763.07

Finding the Fourth Proportional to 43,136.63, 64,704.95 and 19,763.07

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Solution

The fourth proportional to 43,136.63, 64,704.95 and 19,763.07 is: 29,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.63 : 64,704.95 = 19,763.07 : x
  2. Step 2: Convert to fraction form
    43,136.63/64,704.95 = 19,763.07/x
  3. Step 3: Cross multiply
    43,136.63x = 64,704.95 × 19,763.07
  4. Step 4: Simplify right side
    43,136.63x = 1,278,768,456.20
  5. Step 5: Solve for x
    x = 1,278,768,456.20/43,136.63
  6. Step 6: Final answer
    x = 29,644.61

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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.