Home / 54,431.71-75,110.88-31,772.68

Finding the Fourth Proportional to 54,431.71, 75,110.88 and 31,772.68

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Solution

The fourth proportional to 54,431.71, 75,110.88 and 31,772.68 is: 43,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.71 : 75,110.88 = 31,772.68 : x
  2. Step 2: Convert to fraction form
    54,431.71/75,110.88 = 31,772.68/x
  3. Step 3: Cross multiply
    54,431.71x = 75,110.88 × 31,772.68
  4. Step 4: Simplify right side
    54,431.71x = 2,386,473,954.76
  5. Step 5: Solve for x
    x = 2,386,473,954.76/54,431.71
  6. Step 6: Final answer
    x = 43,843.45

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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.