Home / 53,091.80-79,582.16-19,797.38

Finding the Fourth Proportional to 53,091.80, 79,582.16 and 19,797.38

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Solution

The fourth proportional to 53,091.80, 79,582.16 and 19,797.38 is: 29,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.80 : 79,582.16 = 19,797.38 : x
  2. Step 2: Convert to fraction form
    53,091.80/79,582.16 = 19,797.38/x
  3. Step 3: Cross multiply
    53,091.80x = 79,582.16 × 19,797.38
  4. Step 4: Simplify right side
    53,091.80x = 1,575,518,262.74
  5. Step 5: Solve for x
    x = 1,575,518,262.74/53,091.80
  6. Step 6: Final answer
    x = 29,675.36

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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.