Home / 30,133.37-41,532.12-20,043.77

Finding the Fourth Proportional to 30,133.37, 41,532.12 and 20,043.77

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Solution

The fourth proportional to 30,133.37, 41,532.12 and 20,043.77 is: 27,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.37 : 41,532.12 = 20,043.77 : x
  2. Step 2: Convert to fraction form
    30,133.37/41,532.12 = 20,043.77/x
  3. Step 3: Cross multiply
    30,133.37x = 41,532.12 × 20,043.77
  4. Step 4: Simplify right side
    30,133.37x = 832,460,260.89
  5. Step 5: Solve for x
    x = 832,460,260.89/30,133.37
  6. Step 6: Final answer
    x = 27,625.86

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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.