Home / 81,592.08-122,386.32-33,550.56

Finding the Fourth Proportional to 81,592.08, 122,386.32 and 33,550.56

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Solution

The fourth proportional to 81,592.08, 122,386.32 and 33,550.56 is: 50,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,592.08 : 122,386.32 = 33,550.56 : x
  2. Step 2: Convert to fraction form
    81,592.08/122,386.32 = 33,550.56/x
  3. Step 3: Cross multiply
    81,592.08x = 122,386.32 × 33,550.56
  4. Step 4: Simplify right side
    81,592.08x = 4,106,129,572.34
  5. Step 5: Solve for x
    x = 4,106,129,572.34/81,592.08
  6. Step 6: Final answer
    x = 50,325.10

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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.