Home / 54,914.81-75,785.58-31,043.57

Finding the Fourth Proportional to 54,914.81, 75,785.58 and 31,043.57

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Solution

The fourth proportional to 54,914.81, 75,785.58 and 31,043.57 is: 42,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,914.81 : 75,785.58 = 31,043.57 : x
  2. Step 2: Convert to fraction form
    54,914.81/75,785.58 = 31,043.57/x
  3. Step 3: Cross multiply
    54,914.81x = 75,785.58 × 31,043.57
  4. Step 4: Simplify right side
    54,914.81x = 2,352,654,578.79
  5. Step 5: Solve for x
    x = 2,352,654,578.79/54,914.81
  6. Step 6: Final answer
    x = 42,841.90

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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.