Home / 34,638.16-51,963.72-11,271.28

Finding the Fourth Proportional to 34,638.16, 51,963.72 and 11,271.28

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Solution

The fourth proportional to 34,638.16, 51,963.72 and 11,271.28 is: 16,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.16 : 51,963.72 = 11,271.28 : x
  2. Step 2: Convert to fraction form
    34,638.16/51,963.72 = 11,271.28/x
  3. Step 3: Cross multiply
    34,638.16x = 51,963.72 × 11,271.28
  4. Step 4: Simplify right side
    34,638.16x = 585,697,637.96
  5. Step 5: Solve for x
    x = 585,697,637.96/34,638.16
  6. Step 6: Final answer
    x = 16,909.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.