Home / 54,661.39-75,433.13-30,785.83

Finding the Fourth Proportional to 54,661.39, 75,433.13 and 30,785.83

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Solution

The fourth proportional to 54,661.39, 75,433.13 and 30,785.83 is: 42,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.39 : 75,433.13 = 30,785.83 : x
  2. Step 2: Convert to fraction form
    54,661.39/75,433.13 = 30,785.83/x
  3. Step 3: Cross multiply
    54,661.39x = 75,433.13 × 30,785.83
  4. Step 4: Simplify right side
    54,661.39x = 2,322,271,516.55
  5. Step 5: Solve for x
    x = 2,322,271,516.55/54,661.39
  6. Step 6: Final answer
    x = 42,484.68

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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.