Home / 54,660.39-75,431.76-30,784.83

Finding the Fourth Proportional to 54,660.39, 75,431.76 and 30,784.83

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Solution

The fourth proportional to 54,660.39, 75,431.76 and 30,784.83 is: 42,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.39 : 75,431.76 = 30,784.83 : x
  2. Step 2: Convert to fraction form
    54,660.39/75,431.76 = 30,784.83/x
  3. Step 3: Cross multiply
    54,660.39x = 75,431.76 × 30,784.83
  4. Step 4: Simplify right side
    54,660.39x = 2,322,153,377.12
  5. Step 5: Solve for x
    x = 2,322,153,377.12/54,660.39
  6. Step 6: Final answer
    x = 42,483.30

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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.