Home / 35,330.12-48,757.75-20,222.44

Finding the Fourth Proportional to 35,330.12, 48,757.75 and 20,222.44

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Solution

The fourth proportional to 35,330.12, 48,757.75 and 20,222.44 is: 27,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.12 : 48,757.75 = 20,222.44 : x
  2. Step 2: Convert to fraction form
    35,330.12/48,757.75 = 20,222.44/x
  3. Step 3: Cross multiply
    35,330.12x = 48,757.75 × 20,222.44
  4. Step 4: Simplify right side
    35,330.12x = 986,000,501.46
  5. Step 5: Solve for x
    x = 986,000,501.46/35,330.12
  6. Step 6: Final answer
    x = 27,908.21

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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.