Home / 54,588.44-75,331.26-30,715.13

Finding the Fourth Proportional to 54,588.44, 75,331.26 and 30,715.13

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Solution

The fourth proportional to 54,588.44, 75,331.26 and 30,715.13 is: 42,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.44 : 75,331.26 = 30,715.13 : x
  2. Step 2: Convert to fraction form
    54,588.44/75,331.26 = 30,715.13/x
  3. Step 3: Cross multiply
    54,588.44x = 75,331.26 × 30,715.13
  4. Step 4: Simplify right side
    54,588.44x = 2,313,809,443.96
  5. Step 5: Solve for x
    x = 2,313,809,443.96/54,588.44
  6. Step 6: Final answer
    x = 42,386.44

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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.