Home / 35,585.35-49,109.70-19,671.28

Finding the Fourth Proportional to 35,585.35, 49,109.70 and 19,671.28

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Solution

The fourth proportional to 35,585.35, 49,109.70 and 19,671.28 is: 27,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.35 : 49,109.70 = 19,671.28 : x
  2. Step 2: Convert to fraction form
    35,585.35/49,109.70 = 19,671.28/x
  3. Step 3: Cross multiply
    35,585.35x = 49,109.70 × 19,671.28
  4. Step 4: Simplify right side
    35,585.35x = 966,050,659.42
  5. Step 5: Solve for x
    x = 966,050,659.42/35,585.35
  6. Step 6: Final answer
    x = 27,147.43

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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.