Home / 35,531.51-53,238.94-12,145.19

Finding the Fourth Proportional to 35,531.51, 53,238.94 and 12,145.19

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Solution

The fourth proportional to 35,531.51, 53,238.94 and 12,145.19 is: 18,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.51 : 53,238.94 = 12,145.19 : x
  2. Step 2: Convert to fraction form
    35,531.51/53,238.94 = 12,145.19/x
  3. Step 3: Cross multiply
    35,531.51x = 53,238.94 × 12,145.19
  4. Step 4: Simplify right side
    35,531.51x = 646,596,745.14
  5. Step 5: Solve for x
    x = 646,596,745.14/35,531.51
  6. Step 6: Final answer
    x = 18,197.84

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1.5x scale

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.