Home / 27,353.94-41,030.91-21,123.05

Finding the Fourth Proportional to 27,353.94, 41,030.91 and 21,123.05

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Solution

The fourth proportional to 27,353.94, 41,030.91 and 21,123.05 is: 31,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.94 : 41,030.91 = 21,123.05 : x
  2. Step 2: Convert to fraction form
    27,353.94/41,030.91 = 21,123.05/x
  3. Step 3: Cross multiply
    27,353.94x = 41,030.91 × 21,123.05
  4. Step 4: Simplify right side
    27,353.94x = 866,697,758.32
  5. Step 5: Solve for x
    x = 866,697,758.32/27,353.94
  6. Step 6: Final answer
    x = 31,684.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.