Home / 35,438.05-48,904.52-20,330.09

Finding the Fourth Proportional to 35,438.05, 48,904.52 and 20,330.09

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Solution

The fourth proportional to 35,438.05, 48,904.52 and 20,330.09 is: 28,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.05 : 48,904.52 = 20,330.09 : x
  2. Step 2: Convert to fraction form
    35,438.05/48,904.52 = 20,330.09/x
  3. Step 3: Cross multiply
    35,438.05x = 48,904.52 × 20,330.09
  4. Step 4: Simplify right side
    35,438.05x = 994,233,293.01
  5. Step 5: Solve for x
    x = 994,233,293.01/35,438.05
  6. Step 6: Final answer
    x = 28,055.53

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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.