Home / 39,756.18-54,805.74-27,782.34

Finding the Fourth Proportional to 39,756.18, 54,805.74 and 27,782.34

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Solution

The fourth proportional to 39,756.18, 54,805.74 and 27,782.34 is: 38,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,756.18 : 54,805.74 = 27,782.34 : x
  2. Step 2: Convert to fraction form
    39,756.18/54,805.74 = 27,782.34/x
  3. Step 3: Cross multiply
    39,756.18x = 54,805.74 × 27,782.34
  4. Step 4: Simplify right side
    39,756.18x = 1,522,631,702.63
  5. Step 5: Solve for x
    x = 1,522,631,702.63/39,756.18
  6. Step 6: Final answer
    x = 38,299.25

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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.