Home / 34,815.62-48,045.29-18,899.75

Finding the Fourth Proportional to 34,815.62, 48,045.29 and 18,899.75

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Solution

The fourth proportional to 34,815.62, 48,045.29 and 18,899.75 is: 26,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.62 : 48,045.29 = 18,899.75 : x
  2. Step 2: Convert to fraction form
    34,815.62/48,045.29 = 18,899.75/x
  3. Step 3: Cross multiply
    34,815.62x = 48,045.29 × 18,899.75
  4. Step 4: Simplify right side
    34,815.62x = 908,043,634.95
  5. Step 5: Solve for x
    x = 908,043,634.95/34,815.62
  6. Step 6: Final answer
    x = 26,081.50

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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.