Home / 53,147.37-79,734.75-19,867.68

Finding the Fourth Proportional to 53,147.37, 79,734.75 and 19,867.68

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Solution

The fourth proportional to 53,147.37, 79,734.75 and 19,867.68 is: 29,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.37 : 79,734.75 = 19,867.68 : x
  2. Step 2: Convert to fraction form
    53,147.37/79,734.75 = 19,867.68/x
  3. Step 3: Cross multiply
    53,147.37x = 79,734.75 × 19,867.68
  4. Step 4: Simplify right side
    53,147.37x = 1,584,144,591.01
  5. Step 5: Solve for x
    x = 1,584,144,591.01/53,147.37
  6. Step 6: Final answer
    x = 29,806.64

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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.