Home / 34,815.05-48,045.76-18,900.54

Finding the Fourth Proportional to 34,815.05, 48,045.76 and 18,900.54

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Solution

The fourth proportional to 34,815.05, 48,045.76 and 18,900.54 is: 26,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.05 : 48,045.76 = 18,900.54 : x
  2. Step 2: Convert to fraction form
    34,815.05/48,045.76 = 18,900.54/x
  3. Step 3: Cross multiply
    34,815.05x = 48,045.76 × 18,900.54
  4. Step 4: Simplify right side
    34,815.05x = 908,090,761.46
  5. Step 5: Solve for x
    x = 908,090,761.46/34,815.05
  6. Step 6: Final answer
    x = 26,083.28

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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.