Home / 29,235.20-43,860.08-8,458.70

Finding the Fourth Proportional to 29,235.20, 43,860.08 and 8,458.70

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Solution

The fourth proportional to 29,235.20, 43,860.08 and 8,458.70 is: 12,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.20 : 43,860.08 = 8,458.70 : x
  2. Step 2: Convert to fraction form
    29,235.20/43,860.08 = 8,458.70/x
  3. Step 3: Cross multiply
    29,235.20x = 43,860.08 × 8,458.70
  4. Step 4: Simplify right side
    29,235.20x = 370,999,258.70
  5. Step 5: Solve for x
    x = 370,999,258.70/29,235.20
  6. Step 6: Final answer
    x = 12,690.16

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1.5x scale

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.