Home / 35,530.87-49,028.43-21,191.49

Finding the Fourth Proportional to 35,530.87, 49,028.43 and 21,191.49

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Solution

The fourth proportional to 35,530.87, 49,028.43 and 21,191.49 is: 29,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.87 : 49,028.43 = 21,191.49 : x
  2. Step 2: Convert to fraction form
    35,530.87/49,028.43 = 21,191.49/x
  3. Step 3: Cross multiply
    35,530.87x = 49,028.43 × 21,191.49
  4. Step 4: Simplify right side
    35,530.87x = 1,038,985,132.96
  5. Step 5: Solve for x
    x = 1,038,985,132.96/35,530.87
  6. Step 6: Final answer
    x = 29,241.76

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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.