Home / 50,465.12-69,638.52-30,310

Finding the Fourth Proportional to 50,465.12, 69,638.52 and 30,310

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Solution

The fourth proportional to 50,465.12, 69,638.52 and 30,310 is: 41,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,465.12 : 69,638.52 = 30,310 : x
  2. Step 2: Convert to fraction form
    50,465.12/69,638.52 = 30,310/x
  3. Step 3: Cross multiply
    50,465.12x = 69,638.52 × 30,310
  4. Step 4: Simplify right side
    50,465.12x = 2,110,743,541.20
  5. Step 5: Solve for x
    x = 2,110,743,541.20/50,465.12
  6. Step 6: Final answer
    x = 41,825.79

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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.