Home / 53,639.82-74,010.96-32,415.12

Finding the Fourth Proportional to 53,639.82, 74,010.96 and 32,415.12

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Solution

The fourth proportional to 53,639.82, 74,010.96 and 32,415.12 is: 44,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639.82 : 74,010.96 = 32,415.12 : x
  2. Step 2: Convert to fraction form
    53,639.82/74,010.96 = 32,415.12/x
  3. Step 3: Cross multiply
    53,639.82x = 74,010.96 × 32,415.12
  4. Step 4: Simplify right side
    53,639.82x = 2,399,074,149.72
  5. Step 5: Solve for x
    x = 2,399,074,149.72/53,639.82
  6. Step 6: Final answer
    x = 44,725.62

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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.