Home / 81,483.32-122,279.21-33,491.29

Finding the Fourth Proportional to 81,483.32, 122,279.21 and 33,491.29

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Solution

The fourth proportional to 81,483.32, 122,279.21 and 33,491.29 is: 50,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,483.32 : 122,279.21 = 33,491.29 : x
  2. Step 2: Convert to fraction form
    81,483.32/122,279.21 = 33,491.29/x
  3. Step 3: Cross multiply
    81,483.32x = 122,279.21 × 33,491.29
  4. Step 4: Simplify right side
    81,483.32x = 4,095,288,483.08
  5. Step 5: Solve for x
    x = 4,095,288,483.08/81,483.32
  6. Step 6: Final answer
    x = 50,259.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.