Home / 53,241.43-73,478.33-39,789.36

Finding the Fourth Proportional to 53,241.43, 73,478.33 and 39,789.36

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Solution

The fourth proportional to 53,241.43, 73,478.33 and 39,789.36 is: 54,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241.43 : 73,478.33 = 39,789.36 : x
  2. Step 2: Convert to fraction form
    53,241.43/73,478.33 = 39,789.36/x
  3. Step 3: Cross multiply
    53,241.43x = 73,478.33 × 39,789.36
  4. Step 4: Simplify right side
    53,241.43x = 2,923,655,724.57
  5. Step 5: Solve for x
    x = 2,923,655,724.57/53,241.43
  6. Step 6: Final answer
    x = 54,913.17

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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.