Home / 53,050.85-79,581.47-19,326.03

Finding the Fourth Proportional to 53,050.85, 79,581.47 and 19,326.03

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Solution

The fourth proportional to 53,050.85, 79,581.47 and 19,326.03 is: 28,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.85 : 79,581.47 = 19,326.03 : x
  2. Step 2: Convert to fraction form
    53,050.85/79,581.47 = 19,326.03/x
  3. Step 3: Cross multiply
    53,050.85x = 79,581.47 × 19,326.03
  4. Step 4: Simplify right side
    53,050.85x = 1,537,994,007.58
  5. Step 5: Solve for x
    x = 1,537,994,007.58/53,050.85
  6. Step 6: Final answer
    x = 28,990.94

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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.