Home / 35,690.70-53,542.25-12,000.56

Finding the Fourth Proportional to 35,690.70, 53,542.25 and 12,000.56

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Solution

The fourth proportional to 35,690.70, 53,542.25 and 12,000.56 is: 18,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.70 : 53,542.25 = 12,000.56 : x
  2. Step 2: Convert to fraction form
    35,690.70/53,542.25 = 12,000.56/x
  3. Step 3: Cross multiply
    35,690.70x = 53,542.25 × 12,000.56
  4. Step 4: Simplify right side
    35,690.70x = 642,536,983.66
  5. Step 5: Solve for x
    x = 642,536,983.66/35,690.70
  6. Step 6: Final answer
    x = 18,002.92

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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.