Home / 35,625.51-53,479.67-20,845.03

Finding the Fourth Proportional to 35,625.51, 53,479.67 and 20,845.03

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Solution

The fourth proportional to 35,625.51, 53,479.67 and 20,845.03 is: 31,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,625.51 : 53,479.67 = 20,845.03 : x
  2. Step 2: Convert to fraction form
    35,625.51/53,479.67 = 20,845.03/x
  3. Step 3: Cross multiply
    35,625.51x = 53,479.67 × 20,845.03
  4. Step 4: Simplify right side
    35,625.51x = 1,114,785,325.54
  5. Step 5: Solve for x
    x = 1,114,785,325.54/35,625.51
  6. Step 6: Final answer
    x = 31,291.77

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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.