Home / 39,319.56-54,299.55-33,621.41

Finding the Fourth Proportional to 39,319.56, 54,299.55 and 33,621.41

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Solution

The fourth proportional to 39,319.56, 54,299.55 and 33,621.41 is: 46,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.56 : 54,299.55 = 33,621.41 : x
  2. Step 2: Convert to fraction form
    39,319.56/54,299.55 = 33,621.41/x
  3. Step 3: Cross multiply
    39,319.56x = 54,299.55 × 33,621.41
  4. Step 4: Simplify right side
    39,319.56x = 1,825,627,161.87
  5. Step 5: Solve for x
    x = 1,825,627,161.87/39,319.56
  6. Step 6: Final answer
    x = 46,430.51

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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.