Home / 35,380.80-48,830.85-21,241.44

Finding the Fourth Proportional to 35,380.80, 48,830.85 and 21,241.44

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Solution

The fourth proportional to 35,380.80, 48,830.85 and 21,241.44 is: 29,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.80 : 48,830.85 = 21,241.44 : x
  2. Step 2: Convert to fraction form
    35,380.80/48,830.85 = 21,241.44/x
  3. Step 3: Cross multiply
    35,380.80x = 48,830.85 × 21,241.44
  4. Step 4: Simplify right side
    35,380.80x = 1,037,237,570.42
  5. Step 5: Solve for x
    x = 1,037,237,570.42/35,380.80
  6. Step 6: Final answer
    x = 29,316.40

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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.