Home / 29,154.65-40,231.74-16,408.36

Finding the Fourth Proportional to 29,154.65, 40,231.74 and 16,408.36

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Solution

The fourth proportional to 29,154.65, 40,231.74 and 16,408.36 is: 22,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.65 : 40,231.74 = 16,408.36 : x
  2. Step 2: Convert to fraction form
    29,154.65/40,231.74 = 16,408.36/x
  3. Step 3: Cross multiply
    29,154.65x = 40,231.74 × 16,408.36
  4. Step 4: Simplify right side
    29,154.65x = 660,136,834.30
  5. Step 5: Solve for x
    x = 660,136,834.30/29,154.65
  6. Step 6: Final answer
    x = 22,642.60

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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.