Home / 29,234.12-40,346.52-28,315.58

Finding the Fourth Proportional to 29,234.12, 40,346.52 and 28,315.58

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Solution

The fourth proportional to 29,234.12, 40,346.52 and 28,315.58 is: 39,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,234.12 : 40,346.52 = 28,315.58 : x
  2. Step 2: Convert to fraction form
    29,234.12/40,346.52 = 28,315.58/x
  3. Step 3: Cross multiply
    29,234.12x = 40,346.52 × 28,315.58
  4. Step 4: Simplify right side
    29,234.12x = 1,142,435,114.78
  5. Step 5: Solve for x
    x = 1,142,435,114.78/29,234.12
  6. Step 6: Final answer
    x = 39,078.83

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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.