Home / 53,019.12-79,540.44-17,479.02

Finding the Fourth Proportional to 53,019.12, 79,540.44 and 17,479.02

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Solution

The fourth proportional to 53,019.12, 79,540.44 and 17,479.02 is: 26,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.12 : 79,540.44 = 17,479.02 : x
  2. Step 2: Convert to fraction form
    53,019.12/79,540.44 = 17,479.02/x
  3. Step 3: Cross multiply
    53,019.12x = 79,540.44 × 17,479.02
  4. Step 4: Simplify right side
    53,019.12x = 1,390,288,941.57
  5. Step 5: Solve for x
    x = 1,390,288,941.57/53,019.12
  6. Step 6: Final answer
    x = 26,222.41

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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.