Home / 35,621.31-49,157.21-19,705.42

Finding the Fourth Proportional to 35,621.31, 49,157.21 and 19,705.42

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Solution

The fourth proportional to 35,621.31, 49,157.21 and 19,705.42 is: 27,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.31 : 49,157.21 = 19,705.42 : x
  2. Step 2: Convert to fraction form
    35,621.31/49,157.21 = 19,705.42/x
  3. Step 3: Cross multiply
    35,621.31x = 49,157.21 × 19,705.42
  4. Step 4: Simplify right side
    35,621.31x = 968,663,579.79
  5. Step 5: Solve for x
    x = 968,663,579.79/35,621.31
  6. Step 6: Final answer
    x = 27,193.37

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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.