Home / 34,805.40-48,031.64-20,464.43

Finding the Fourth Proportional to 34,805.40, 48,031.64 and 20,464.43

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Solution

The fourth proportional to 34,805.40, 48,031.64 and 20,464.43 is: 28,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805.40 : 48,031.64 = 20,464.43 : x
  2. Step 2: Convert to fraction form
    34,805.40/48,031.64 = 20,464.43/x
  3. Step 3: Cross multiply
    34,805.40x = 48,031.64 × 20,464.43
  4. Step 4: Simplify right side
    34,805.40x = 982,939,792.08
  5. Step 5: Solve for x
    x = 982,939,792.08/34,805.40
  6. Step 6: Final answer
    x = 28,241.01

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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.