Home / 53,231.38-73,464.48-39,779.28

Finding the Fourth Proportional to 53,231.38, 73,464.48 and 39,779.28

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Solution

The fourth proportional to 53,231.38, 73,464.48 and 39,779.28 is: 54,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.38 : 73,464.48 = 39,779.28 : x
  2. Step 2: Convert to fraction form
    53,231.38/73,464.48 = 39,779.28/x
  3. Step 3: Cross multiply
    53,231.38x = 73,464.48 × 39,779.28
  4. Step 4: Simplify right side
    53,231.38x = 2,922,364,119.97
  5. Step 5: Solve for x
    x = 2,922,364,119.97/53,231.38
  6. Step 6: Final answer
    x = 54,899.27

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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.