Home / 29,118.75-40,172.45-16,369.01

Finding the Fourth Proportional to 29,118.75, 40,172.45 and 16,369.01

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Solution

The fourth proportional to 29,118.75, 40,172.45 and 16,369.01 is: 22,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.75 : 40,172.45 = 16,369.01 : x
  2. Step 2: Convert to fraction form
    29,118.75/40,172.45 = 16,369.01/x
  3. Step 3: Cross multiply
    29,118.75x = 40,172.45 × 16,369.01
  4. Step 4: Simplify right side
    29,118.75x = 657,583,235.77
  5. Step 5: Solve for x
    x = 657,583,235.77/29,118.75
  6. Step 6: Final answer
    x = 22,582.81

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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.