Home / 35,129.79-52,665.12-16,399.98

Finding the Fourth Proportional to 35,129.79, 52,665.12 and 16,399.98

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Solution

The fourth proportional to 35,129.79, 52,665.12 and 16,399.98 is: 24,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.79 : 52,665.12 = 16,399.98 : x
  2. Step 2: Convert to fraction form
    35,129.79/52,665.12 = 16,399.98/x
  3. Step 3: Cross multiply
    35,129.79x = 52,665.12 × 16,399.98
  4. Step 4: Simplify right side
    35,129.79x = 863,706,914.70
  5. Step 5: Solve for x
    x = 863,706,914.70/35,129.79
  6. Step 6: Final answer
    x = 24,586.17

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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.