Home / 35,156.56-52,742.74-11,782.40

Finding the Fourth Proportional to 35,156.56, 52,742.74 and 11,782.40

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Solution

The fourth proportional to 35,156.56, 52,742.74 and 11,782.40 is: 17,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.56 : 52,742.74 = 11,782.40 : x
  2. Step 2: Convert to fraction form
    35,156.56/52,742.74 = 11,782.40/x
  3. Step 3: Cross multiply
    35,156.56x = 52,742.74 × 11,782.40
  4. Step 4: Simplify right side
    35,156.56x = 621,436,059.78
  5. Step 5: Solve for x
    x = 621,436,059.78/35,156.56
  6. Step 6: Final answer
    x = 17,676.25

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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.