Home / 35,529.63-53,236.13-12,143.31

Finding the Fourth Proportional to 35,529.63, 53,236.13 and 12,143.31

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Solution

The fourth proportional to 35,529.63, 53,236.13 and 12,143.31 is: 18,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529.63 : 53,236.13 = 12,143.31 : x
  2. Step 2: Convert to fraction form
    35,529.63/53,236.13 = 12,143.31/x
  3. Step 3: Cross multiply
    35,529.63x = 53,236.13 × 12,143.31
  4. Step 4: Simplify right side
    35,529.63x = 646,462,769.07
  5. Step 5: Solve for x
    x = 646,462,769.07/35,529.63
  6. Step 6: Final answer
    x = 18,195.03

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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.