Home / 35,142.48-52,705.44-12,943.80

Finding the Fourth Proportional to 35,142.48, 52,705.44 and 12,943.80

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Solution

The fourth proportional to 35,142.48, 52,705.44 and 12,943.80 is: 19,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.48 : 52,705.44 = 12,943.80 : x
  2. Step 2: Convert to fraction form
    35,142.48/52,705.44 = 12,943.80/x
  3. Step 3: Cross multiply
    35,142.48x = 52,705.44 × 12,943.80
  4. Step 4: Simplify right side
    35,142.48x = 682,208,854.57
  5. Step 5: Solve for x
    x = 682,208,854.57/35,142.48
  6. Step 6: Final answer
    x = 19,412.65

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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.