Home / 54,326.74-74,970.81-30,453.43

Finding the Fourth Proportional to 54,326.74, 74,970.81 and 30,453.43

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Solution

The fourth proportional to 54,326.74, 74,970.81 and 30,453.43 is: 42,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.74 : 74,970.81 = 30,453.43 : x
  2. Step 2: Convert to fraction form
    54,326.74/74,970.81 = 30,453.43/x
  3. Step 3: Cross multiply
    54,326.74x = 74,970.81 × 30,453.43
  4. Step 4: Simplify right side
    54,326.74x = 2,283,118,314.38
  5. Step 5: Solve for x
    x = 2,283,118,314.38/54,326.74
  6. Step 6: Final answer
    x = 42,025.68

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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.