Home / 38,570.16-57,868.44-17,778

Finding the Fourth Proportional to 38,570.16, 57,868.44 and 17,778

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Solution

The fourth proportional to 38,570.16, 57,868.44 and 17,778 is: 26,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.16 : 57,868.44 = 17,778 : x
  2. Step 2: Convert to fraction form
    38,570.16/57,868.44 = 17,778/x
  3. Step 3: Cross multiply
    38,570.16x = 57,868.44 × 17,778
  4. Step 4: Simplify right side
    38,570.16x = 1,028,785,126.32
  5. Step 5: Solve for x
    x = 1,028,785,126.32/38,570.16
  6. Step 6: Final answer
    x = 26,673.08

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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.