Home / 53,738.15-80,614.51-18,673.25

Finding the Fourth Proportional to 53,738.15, 80,614.51 and 18,673.25

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Solution

The fourth proportional to 53,738.15, 80,614.51 and 18,673.25 is: 28,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.15 : 80,614.51 = 18,673.25 : x
  2. Step 2: Convert to fraction form
    53,738.15/80,614.51 = 18,673.25/x
  3. Step 3: Cross multiply
    53,738.15x = 80,614.51 × 18,673.25
  4. Step 4: Simplify right side
    53,738.15x = 1,505,334,449.10
  5. Step 5: Solve for x
    x = 1,505,334,449.10/53,738.15
  6. Step 6: Final answer
    x = 28,012.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.