Home / 34,628.36-47,780.33-20,482.11

Finding the Fourth Proportional to 34,628.36, 47,780.33 and 20,482.11

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Solution

The fourth proportional to 34,628.36, 47,780.33 and 20,482.11 is: 28,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,628.36 : 47,780.33 = 20,482.11 : x
  2. Step 2: Convert to fraction form
    34,628.36/47,780.33 = 20,482.11/x
  3. Step 3: Cross multiply
    34,628.36x = 47,780.33 × 20,482.11
  4. Step 4: Simplify right side
    34,628.36x = 978,641,872.49
  5. Step 5: Solve for x
    x = 978,641,872.49/34,628.36
  6. Step 6: Final answer
    x = 28,261.29

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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.