Home / 35,961.72-53,967.42-12,588

Finding the Fourth Proportional to 35,961.72, 53,967.42 and 12,588

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Solution

The fourth proportional to 35,961.72, 53,967.42 and 12,588 is: 18,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.72 : 53,967.42 = 12,588 : x
  2. Step 2: Convert to fraction form
    35,961.72/53,967.42 = 12,588/x
  3. Step 3: Cross multiply
    35,961.72x = 53,967.42 × 12,588
  4. Step 4: Simplify right side
    35,961.72x = 679,341,882.96
  5. Step 5: Solve for x
    x = 679,341,882.96/35,961.72
  6. Step 6: Final answer
    x = 18,890.69

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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.