Home / 33,320.31-45,980.76-18,212.85

Finding the Fourth Proportional to 33,320.31, 45,980.76 and 18,212.85

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Solution

The fourth proportional to 33,320.31, 45,980.76 and 18,212.85 is: 25,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.31 : 45,980.76 = 18,212.85 : x
  2. Step 2: Convert to fraction form
    33,320.31/45,980.76 = 18,212.85/x
  3. Step 3: Cross multiply
    33,320.31x = 45,980.76 × 18,212.85
  4. Step 4: Simplify right side
    33,320.31x = 837,440,684.77
  5. Step 5: Solve for x
    x = 837,440,684.77/33,320.31
  6. Step 6: Final answer
    x = 25,133.04

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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.