Home / 33,130.27-45,721.70-18,790.67

Finding the Fourth Proportional to 33,130.27, 45,721.70 and 18,790.67

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Solution

The fourth proportional to 33,130.27, 45,721.70 and 18,790.67 is: 25,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.27 : 45,721.70 = 18,790.67 : x
  2. Step 2: Convert to fraction form
    33,130.27/45,721.70 = 18,790.67/x
  3. Step 3: Cross multiply
    33,130.27x = 45,721.70 × 18,790.67
  4. Step 4: Simplify right side
    33,130.27x = 859,141,376.54
  5. Step 5: Solve for x
    x = 859,141,376.54/33,130.27
  6. Step 6: Final answer
    x = 25,932.22

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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.