Home / 35,736.55-49,314.78-19,820.65

Finding the Fourth Proportional to 35,736.55, 49,314.78 and 19,820.65

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Solution

The fourth proportional to 35,736.55, 49,314.78 and 19,820.65 is: 27,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,736.55 : 49,314.78 = 19,820.65 : x
  2. Step 2: Convert to fraction form
    35,736.55/49,314.78 = 19,820.65/x
  3. Step 3: Cross multiply
    35,736.55x = 49,314.78 × 19,820.65
  4. Step 4: Simplify right side
    35,736.55x = 977,450,994.21
  5. Step 5: Solve for x
    x = 977,450,994.21/35,736.55
  6. Step 6: Final answer
    x = 27,351.58

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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.