Home / 35,971.63-53,962.36-12,272.81

Finding the Fourth Proportional to 35,971.63, 53,962.36 and 12,272.81

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Solution

The fourth proportional to 35,971.63, 53,962.36 and 12,272.81 is: 18,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.63 : 53,962.36 = 12,272.81 : x
  2. Step 2: Convert to fraction form
    35,971.63/53,962.36 = 12,272.81/x
  3. Step 3: Cross multiply
    35,971.63x = 53,962.36 × 12,272.81
  4. Step 4: Simplify right side
    35,971.63x = 662,269,687.21
  5. Step 5: Solve for x
    x = 662,269,687.21/35,971.63
  6. Step 6: Final answer
    x = 18,410.89

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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.