Home / 35,438.99-48,902.43-20,332.89

Finding the Fourth Proportional to 35,438.99, 48,902.43 and 20,332.89

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Solution

The fourth proportional to 35,438.99, 48,902.43 and 20,332.89 is: 28,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.99 : 48,902.43 = 20,332.89 : x
  2. Step 2: Convert to fraction form
    35,438.99/48,902.43 = 20,332.89/x
  3. Step 3: Cross multiply
    35,438.99x = 48,902.43 × 20,332.89
  4. Step 4: Simplify right side
    35,438.99x = 994,327,729.92
  5. Step 5: Solve for x
    x = 994,327,729.92/35,438.99
  6. Step 6: Final answer
    x = 28,057.46

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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.