Home / 33,920.48-46,811.98-20,491.50

Finding the Fourth Proportional to 33,920.48, 46,811.98 and 20,491.50

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Solution

The fourth proportional to 33,920.48, 46,811.98 and 20,491.50 is: 28,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.48 : 46,811.98 = 20,491.50 : x
  2. Step 2: Convert to fraction form
    33,920.48/46,811.98 = 20,491.50/x
  3. Step 3: Cross multiply
    33,920.48x = 46,811.98 × 20,491.50
  4. Step 4: Simplify right side
    33,920.48x = 959,247,688.17
  5. Step 5: Solve for x
    x = 959,247,688.17/33,920.48
  6. Step 6: Final answer
    x = 28,279.31

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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.