Home / 34,189.29-47,180.75-20,043.45

Finding the Fourth Proportional to 34,189.29, 47,180.75 and 20,043.45

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Solution

The fourth proportional to 34,189.29, 47,180.75 and 20,043.45 is: 27,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,189.29 : 47,180.75 = 20,043.45 : x
  2. Step 2: Convert to fraction form
    34,189.29/47,180.75 = 20,043.45/x
  3. Step 3: Cross multiply
    34,189.29x = 47,180.75 × 20,043.45
  4. Step 4: Simplify right side
    34,189.29x = 945,664,903.37
  5. Step 5: Solve for x
    x = 945,664,903.37/34,189.29
  6. Step 6: Final answer
    x = 27,659.68

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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.