Home / 35,702.10-49,268.79-19,786.55

Finding the Fourth Proportional to 35,702.10, 49,268.79 and 19,786.55

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Solution

The fourth proportional to 35,702.10, 49,268.79 and 19,786.55 is: 27,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,702.10 : 49,268.79 = 19,786.55 : x
  2. Step 2: Convert to fraction form
    35,702.10/49,268.79 = 19,786.55/x
  3. Step 3: Cross multiply
    35,702.10x = 49,268.79 × 19,786.55
  4. Step 4: Simplify right side
    35,702.10x = 974,859,130.43
  5. Step 5: Solve for x
    x = 974,859,130.43/35,702.10
  6. Step 6: Final answer
    x = 27,305.37

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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.