Home / 38,226.21-52,751.81-21,459.09

Finding the Fourth Proportional to 38,226.21, 52,751.81 and 21,459.09

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Solution

The fourth proportional to 38,226.21, 52,751.81 and 21,459.09 is: 29,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.21 : 52,751.81 = 21,459.09 : x
  2. Step 2: Convert to fraction form
    38,226.21/52,751.81 = 21,459.09/x
  3. Step 3: Cross multiply
    38,226.21x = 52,751.81 × 21,459.09
  4. Step 4: Simplify right side
    38,226.21x = 1,132,005,731.16
  5. Step 5: Solve for x
    x = 1,132,005,731.16/38,226.21
  6. Step 6: Final answer
    x = 29,613.34

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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.