Home / 53,268.12-73,575.42-39,899.12

Finding the Fourth Proportional to 53,268.12, 73,575.42 and 39,899.12

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Solution

The fourth proportional to 53,268.12, 73,575.42 and 39,899.12 is: 55,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.12 : 73,575.42 = 39,899.12 : x
  2. Step 2: Convert to fraction form
    53,268.12/73,575.42 = 39,899.12/x
  3. Step 3: Cross multiply
    53,268.12x = 73,575.42 × 39,899.12
  4. Step 4: Simplify right side
    53,268.12x = 2,935,594,511.63
  5. Step 5: Solve for x
    x = 2,935,594,511.63/53,268.12
  6. Step 6: Final answer
    x = 55,109.78

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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.