Home / 53,039.57-73,188.47-30,377.21

Finding the Fourth Proportional to 53,039.57, 73,188.47 and 30,377.21

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Solution

The fourth proportional to 53,039.57, 73,188.47 and 30,377.21 is: 41,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.57 : 73,188.47 = 30,377.21 : x
  2. Step 2: Convert to fraction form
    53,039.57/73,188.47 = 30,377.21/x
  3. Step 3: Cross multiply
    53,039.57x = 73,188.47 × 30,377.21
  4. Step 4: Simplify right side
    53,039.57x = 2,223,261,004.94
  5. Step 5: Solve for x
    x = 2,223,261,004.94/53,039.57
  6. Step 6: Final answer
    x = 41,917.03

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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.