Home / 35,081.81-48,464.12-30,357.89

Finding the Fourth Proportional to 35,081.81, 48,464.12 and 30,357.89

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Solution

The fourth proportional to 35,081.81, 48,464.12 and 30,357.89 is: 41,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,081.81 : 48,464.12 = 30,357.89 : x
  2. Step 2: Convert to fraction form
    35,081.81/48,464.12 = 30,357.89/x
  3. Step 3: Cross multiply
    35,081.81x = 48,464.12 × 30,357.89
  4. Step 4: Simplify right side
    35,081.81x = 1,471,268,439.22
  5. Step 5: Solve for x
    x = 1,471,268,439.22/35,081.81
  6. Step 6: Final answer
    x = 41,938.22

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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.