Home / 35,142.67-52,705.72-12,943.99

Finding the Fourth Proportional to 35,142.67, 52,705.72 and 12,943.99

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Solution

The fourth proportional to 35,142.67, 52,705.72 and 12,943.99 is: 19,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.67 : 52,705.72 = 12,943.99 : x
  2. Step 2: Convert to fraction form
    35,142.67/52,705.72 = 12,943.99/x
  3. Step 3: Cross multiply
    35,142.67x = 52,705.72 × 12,943.99
  4. Step 4: Simplify right side
    35,142.67x = 682,222,312.62
  5. Step 5: Solve for x
    x = 682,222,312.62/35,142.67
  6. Step 6: Final answer
    x = 19,412.93

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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.