Home / 53,074.54-79,617-19,786.84

Finding the Fourth Proportional to 53,074.54, 79,617 and 19,786.84

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Solution

The fourth proportional to 53,074.54, 79,617 and 19,786.84 is: 29,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.54 : 79,617 = 19,786.84 : x
  2. Step 2: Convert to fraction form
    53,074.54/79,617 = 19,786.84/x
  3. Step 3: Cross multiply
    53,074.54x = 79,617 × 19,786.84
  4. Step 4: Simplify right side
    53,074.54x = 1,575,368,840.28
  5. Step 5: Solve for x
    x = 1,575,368,840.28/53,074.54
  6. Step 6: Final answer
    x = 29,682.19

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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.