Home / 35,133.24-52,720.64-12,962.20

Finding the Fourth Proportional to 35,133.24, 52,720.64 and 12,962.20

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Solution

The fourth proportional to 35,133.24, 52,720.64 and 12,962.20 is: 19,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,133.24 : 52,720.64 = 12,962.20 : x
  2. Step 2: Convert to fraction form
    35,133.24/52,720.64 = 12,962.20/x
  3. Step 3: Cross multiply
    35,133.24x = 52,720.64 × 12,962.20
  4. Step 4: Simplify right side
    35,133.24x = 683,375,479.81
  5. Step 5: Solve for x
    x = 683,375,479.81/35,133.24
  6. Step 6: Final answer
    x = 19,450.97

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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.