Home / 53,007.04-79,464.48-20,198.08

Finding the Fourth Proportional to 53,007.04, 79,464.48 and 20,198.08

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Solution

The fourth proportional to 53,007.04, 79,464.48 and 20,198.08 is: 30,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.04 : 79,464.48 = 20,198.08 : x
  2. Step 2: Convert to fraction form
    53,007.04/79,464.48 = 20,198.08/x
  3. Step 3: Cross multiply
    53,007.04x = 79,464.48 × 20,198.08
  4. Step 4: Simplify right side
    53,007.04x = 1,605,029,924.20
  5. Step 5: Solve for x
    x = 1,605,029,924.20/53,007.04
  6. Step 6: Final answer
    x = 30,279.56

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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.