Home / 35,736.10-49,315.06-19,820.21

Finding the Fourth Proportional to 35,736.10, 49,315.06 and 19,820.21

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Solution

The fourth proportional to 35,736.10, 49,315.06 and 19,820.21 is: 27,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,736.10 : 49,315.06 = 19,820.21 : x
  2. Step 2: Convert to fraction form
    35,736.10/49,315.06 = 19,820.21/x
  3. Step 3: Cross multiply
    35,736.10x = 49,315.06 × 19,820.21
  4. Step 4: Simplify right side
    35,736.10x = 977,434,623.56
  5. Step 5: Solve for x
    x = 977,434,623.56/35,736.10
  6. Step 6: Final answer
    x = 27,351.47

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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.