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Finding the Fourth Proportional to 54,886.50, 75,751.54 and 33,379.75

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Solution

The fourth proportional to 54,886.50, 75,751.54 and 33,379.75 is: 46,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.50 : 75,751.54 = 33,379.75 : x
  2. Step 2: Convert to fraction form
    54,886.50/75,751.54 = 33,379.75/x
  3. Step 3: Cross multiply
    54,886.50x = 75,751.54 × 33,379.75
  4. Step 4: Simplify right side
    54,886.50x = 2,528,567,467.32
  5. Step 5: Solve for x
    x = 2,528,567,467.32/54,886.50
  6. Step 6: Final answer
    x = 46,069.02

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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.