Home / 35,853.57-53,804.86-12,480.01

Finding the Fourth Proportional to 35,853.57, 53,804.86 and 12,480.01

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Solution

The fourth proportional to 35,853.57, 53,804.86 and 12,480.01 is: 18,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.57 : 53,804.86 = 12,480.01 : x
  2. Step 2: Convert to fraction form
    35,853.57/53,804.86 = 12,480.01/x
  3. Step 3: Cross multiply
    35,853.57x = 53,804.86 × 12,480.01
  4. Step 4: Simplify right side
    35,853.57x = 671,485,025.14
  5. Step 5: Solve for x
    x = 671,485,025.14/35,853.57
  6. Step 6: Final answer
    x = 18,728.54

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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.