Home / 34,726.98-47,920.87-19,620.28

Finding the Fourth Proportional to 34,726.98, 47,920.87 and 19,620.28

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Solution

The fourth proportional to 34,726.98, 47,920.87 and 19,620.28 is: 27,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,726.98 : 47,920.87 = 19,620.28 : x
  2. Step 2: Convert to fraction form
    34,726.98/47,920.87 = 19,620.28/x
  3. Step 3: Cross multiply
    34,726.98x = 47,920.87 × 19,620.28
  4. Step 4: Simplify right side
    34,726.98x = 940,220,549.54
  5. Step 5: Solve for x
    x = 940,220,549.54/34,726.98
  6. Step 6: Final answer
    x = 27,074.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.