Home / 53,262.36-79,924.68-20,005.74

Finding the Fourth Proportional to 53,262.36, 79,924.68 and 20,005.74

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Solution

The fourth proportional to 53,262.36, 79,924.68 and 20,005.74 is: 30,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,262.36 : 79,924.68 = 20,005.74 : x
  2. Step 2: Convert to fraction form
    53,262.36/79,924.68 = 20,005.74/x
  3. Step 3: Cross multiply
    53,262.36x = 79,924.68 × 20,005.74
  4. Step 4: Simplify right side
    53,262.36x = 1,598,952,367.66
  5. Step 5: Solve for x
    x = 1,598,952,367.66/53,262.36
  6. Step 6: Final answer
    x = 30,020.31

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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.