Home / 34,776.84-47,980.98-19,667.64

Finding the Fourth Proportional to 34,776.84, 47,980.98 and 19,667.64

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Solution

The fourth proportional to 34,776.84, 47,980.98 and 19,667.64 is: 27,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,776.84 : 47,980.98 = 19,667.64 : x
  2. Step 2: Convert to fraction form
    34,776.84/47,980.98 = 19,667.64/x
  3. Step 3: Cross multiply
    34,776.84x = 47,980.98 × 19,667.64
  4. Step 4: Simplify right side
    34,776.84x = 943,672,641.49
  5. Step 5: Solve for x
    x = 943,672,641.49/34,776.84
  6. Step 6: Final answer
    x = 27,135.09

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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.