Home / 34,986.57-48,279.64-19,877.13

Finding the Fourth Proportional to 34,986.57, 48,279.64 and 19,877.13

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Solution

The fourth proportional to 34,986.57, 48,279.64 and 19,877.13 is: 27,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.57 : 48,279.64 = 19,877.13 : x
  2. Step 2: Convert to fraction form
    34,986.57/48,279.64 = 19,877.13/x
  3. Step 3: Cross multiply
    34,986.57x = 48,279.64 × 19,877.13
  4. Step 4: Simplify right side
    34,986.57x = 959,660,887.85
  5. Step 5: Solve for x
    x = 959,660,887.85/34,986.57
  6. Step 6: Final answer
    x = 27,429.41

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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.