Home / 35,178.18-52,753.09-12,682.46

Finding the Fourth Proportional to 35,178.18, 52,753.09 and 12,682.46

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Solution

The fourth proportional to 35,178.18, 52,753.09 and 12,682.46 is: 19,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.18 : 52,753.09 = 12,682.46 : x
  2. Step 2: Convert to fraction form
    35,178.18/52,753.09 = 12,682.46/x
  3. Step 3: Cross multiply
    35,178.18x = 52,753.09 × 12,682.46
  4. Step 4: Simplify right side
    35,178.18x = 669,038,953.80
  5. Step 5: Solve for x
    x = 669,038,953.80/35,178.18
  6. Step 6: Final answer
    x = 19,018.58

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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.