Home / 35,812.51-53,685.37-12,103.48

Finding the Fourth Proportional to 35,812.51, 53,685.37 and 12,103.48

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Solution

The fourth proportional to 35,812.51, 53,685.37 and 12,103.48 is: 18,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.51 : 53,685.37 = 12,103.48 : x
  2. Step 2: Convert to fraction form
    35,812.51/53,685.37 = 12,103.48/x
  3. Step 3: Cross multiply
    35,812.51x = 53,685.37 × 12,103.48
  4. Step 4: Simplify right side
    35,812.51x = 649,779,563.92
  5. Step 5: Solve for x
    x = 649,779,563.92/35,812.51
  6. Step 6: Final answer
    x = 18,143.93

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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.