Home / 54,326.04-74,971.98-30,453.18

Finding the Fourth Proportional to 54,326.04, 74,971.98 and 30,453.18

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Solution

The fourth proportional to 54,326.04, 74,971.98 and 30,453.18 is: 42,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.04 : 74,971.98 = 30,453.18 : x
  2. Step 2: Convert to fraction form
    54,326.04/74,971.98 = 30,453.18/x
  3. Step 3: Cross multiply
    54,326.04x = 74,971.98 × 30,453.18
  4. Step 4: Simplify right side
    54,326.04x = 2,283,135,201.90
  5. Step 5: Solve for x
    x = 2,283,135,201.90/54,326.04
  6. Step 6: Final answer
    x = 42,026.53

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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.