Home / 55,021.46-75,930.51-29,870.96

Finding the Fourth Proportional to 55,021.46, 75,930.51 and 29,870.96

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Solution

The fourth proportional to 55,021.46, 75,930.51 and 29,870.96 is: 41,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.46 : 75,930.51 = 29,870.96 : x
  2. Step 2: Convert to fraction form
    55,021.46/75,930.51 = 29,870.96/x
  3. Step 3: Cross multiply
    55,021.46x = 75,930.51 × 29,870.96
  4. Step 4: Simplify right side
    55,021.46x = 2,268,117,226.99
  5. Step 5: Solve for x
    x = 2,268,117,226.99/55,021.46
  6. Step 6: Final answer
    x = 41,222.41

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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.