Home / 29,339.88-40,491.20-16,764.36

Finding the Fourth Proportional to 29,339.88, 40,491.20 and 16,764.36

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Solution

The fourth proportional to 29,339.88, 40,491.20 and 16,764.36 is: 23,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.88 : 40,491.20 = 16,764.36 : x
  2. Step 2: Convert to fraction form
    29,339.88/40,491.20 = 16,764.36/x
  3. Step 3: Cross multiply
    29,339.88x = 40,491.20 × 16,764.36
  4. Step 4: Simplify right side
    29,339.88x = 678,809,053.63
  5. Step 5: Solve for x
    x = 678,809,053.63/29,339.88
  6. Step 6: Final answer
    x = 23,136.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.