Home / 29,130.51-40,199.70-16,383.69

Finding the Fourth Proportional to 29,130.51, 40,199.70 and 16,383.69

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Solution

The fourth proportional to 29,130.51, 40,199.70 and 16,383.69 is: 22,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.51 : 40,199.70 = 16,383.69 : x
  2. Step 2: Convert to fraction form
    29,130.51/40,199.70 = 16,383.69/x
  3. Step 3: Cross multiply
    29,130.51x = 40,199.70 × 16,383.69
  4. Step 4: Simplify right side
    29,130.51x = 658,619,422.89
  5. Step 5: Solve for x
    x = 658,619,422.89/29,130.51
  6. Step 6: Final answer
    x = 22,609.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.