Home / 39,872.35-55,030.69-27,116.98

Finding the Fourth Proportional to 39,872.35, 55,030.69 and 27,116.98

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Solution

The fourth proportional to 39,872.35, 55,030.69 and 27,116.98 is: 37,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.35 : 55,030.69 = 27,116.98 : x
  2. Step 2: Convert to fraction form
    39,872.35/55,030.69 = 27,116.98/x
  3. Step 3: Cross multiply
    39,872.35x = 55,030.69 × 27,116.98
  4. Step 4: Simplify right side
    39,872.35x = 1,492,266,016.44
  5. Step 5: Solve for x
    x = 1,492,266,016.44/39,872.35
  6. Step 6: Final answer
    x = 37,426.09

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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.