Home / 35,072.40-52,631.62-12,885.96

Finding the Fourth Proportional to 35,072.40, 52,631.62 and 12,885.96

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Solution

The fourth proportional to 35,072.40, 52,631.62 and 12,885.96 is: 19,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.40 : 52,631.62 = 12,885.96 : x
  2. Step 2: Convert to fraction form
    35,072.40/52,631.62 = 12,885.96/x
  3. Step 3: Cross multiply
    35,072.40x = 52,631.62 × 12,885.96
  4. Step 4: Simplify right side
    35,072.40x = 678,208,917.84
  5. Step 5: Solve for x
    x = 678,208,917.84/35,072.40
  6. Step 6: Final answer
    x = 19,337.40

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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.