Home / 53,068.38-79,578.27-17,993.76

Finding the Fourth Proportional to 53,068.38, 79,578.27 and 17,993.76

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Solution

The fourth proportional to 53,068.38, 79,578.27 and 17,993.76 is: 26,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,068.38 : 79,578.27 = 17,993.76 : x
  2. Step 2: Convert to fraction form
    53,068.38/79,578.27 = 17,993.76/x
  3. Step 3: Cross multiply
    53,068.38x = 79,578.27 × 17,993.76
  4. Step 4: Simplify right side
    53,068.38x = 1,431,912,291.60
  5. Step 5: Solve for x
    x = 1,431,912,291.60/53,068.38
  6. Step 6: Final answer
    x = 26,982.40

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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.