Home / 29,621.72-40,878.96-16,192.68

Finding the Fourth Proportional to 29,621.72, 40,878.96 and 16,192.68

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Solution

The fourth proportional to 29,621.72, 40,878.96 and 16,192.68 is: 22,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.72 : 40,878.96 = 16,192.68 : x
  2. Step 2: Convert to fraction form
    29,621.72/40,878.96 = 16,192.68/x
  3. Step 3: Cross multiply
    29,621.72x = 40,878.96 × 16,192.68
  4. Step 4: Simplify right side
    29,621.72x = 661,939,918.01
  5. Step 5: Solve for x
    x = 661,939,918.01/29,621.72
  6. Step 6: Final answer
    x = 22,346.44

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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.