Home / 34,727.89-47,924.16-19,620.28

Finding the Fourth Proportional to 34,727.89, 47,924.16 and 19,620.28

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Solution

The fourth proportional to 34,727.89, 47,924.16 and 19,620.28 is: 27,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.89 : 47,924.16 = 19,620.28 : x
  2. Step 2: Convert to fraction form
    34,727.89/47,924.16 = 19,620.28/x
  3. Step 3: Cross multiply
    34,727.89x = 47,924.16 × 19,620.28
  4. Step 4: Simplify right side
    34,727.89x = 940,285,154.72
  5. Step 5: Solve for x
    x = 940,285,154.72/34,727.89
  6. Step 6: Final answer
    x = 27,075.79

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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.