Home / 35,129.97-52,715.75-12,958.93

Finding the Fourth Proportional to 35,129.97, 52,715.75 and 12,958.93

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Solution

The fourth proportional to 35,129.97, 52,715.75 and 12,958.93 is: 19,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.97 : 52,715.75 = 12,958.93 : x
  2. Step 2: Convert to fraction form
    35,129.97/52,715.75 = 12,958.93/x
  3. Step 3: Cross multiply
    35,129.97x = 52,715.75 × 12,958.93
  4. Step 4: Simplify right side
    35,129.97x = 683,139,649.35
  5. Step 5: Solve for x
    x = 683,139,649.35/35,129.97
  6. Step 6: Final answer
    x = 19,446.06

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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.