Home / 34,815.45-48,045.38-18,899.91

Finding the Fourth Proportional to 34,815.45, 48,045.38 and 18,899.91

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Solution

The fourth proportional to 34,815.45, 48,045.38 and 18,899.91 is: 26,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.45 : 48,045.38 = 18,899.91 : x
  2. Step 2: Convert to fraction form
    34,815.45/48,045.38 = 18,899.91/x
  3. Step 3: Cross multiply
    34,815.45x = 48,045.38 × 18,899.91
  4. Step 4: Simplify right side
    34,815.45x = 908,053,357.92
  5. Step 5: Solve for x
    x = 908,053,357.92/34,815.45
  6. Step 6: Final answer
    x = 26,081.91

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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.