Home / 53,328.63-79,923.69-21,701.82

Finding the Fourth Proportional to 53,328.63, 79,923.69 and 21,701.82

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Solution

The fourth proportional to 53,328.63, 79,923.69 and 21,701.82 is: 32,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.63 : 79,923.69 = 21,701.82 : x
  2. Step 2: Convert to fraction form
    53,328.63/79,923.69 = 21,701.82/x
  3. Step 3: Cross multiply
    53,328.63x = 79,923.69 × 21,701.82
  4. Step 4: Simplify right side
    53,328.63x = 1,734,489,534.12
  5. Step 5: Solve for x
    x = 1,734,489,534.12/53,328.63
  6. Step 6: Final answer
    x = 32,524.55

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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.