Home / 30,956.43-46,304.55-28,712.94

Finding the Fourth Proportional to 30,956.43, 46,304.55 and 28,712.94

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Solution

The fourth proportional to 30,956.43, 46,304.55 and 28,712.94 is: 42,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.43 : 46,304.55 = 28,712.94 : x
  2. Step 2: Convert to fraction form
    30,956.43/46,304.55 = 28,712.94/x
  3. Step 3: Cross multiply
    30,956.43x = 46,304.55 × 28,712.94
  4. Step 4: Simplify right side
    30,956.43x = 1,329,539,765.88
  5. Step 5: Solve for x
    x = 1,329,539,765.88/30,956.43
  6. Step 6: Final answer
    x = 42,948.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.