Home / 54,571.49-75,296.19-30,689.45

Finding the Fourth Proportional to 54,571.49, 75,296.19 and 30,689.45

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Solution

The fourth proportional to 54,571.49, 75,296.19 and 30,689.45 is: 42,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.49 : 75,296.19 = 30,689.45 : x
  2. Step 2: Convert to fraction form
    54,571.49/75,296.19 = 30,689.45/x
  3. Step 3: Cross multiply
    54,571.49x = 75,296.19 × 30,689.45
  4. Step 4: Simplify right side
    54,571.49x = 2,310,798,961.52
  5. Step 5: Solve for x
    x = 2,310,798,961.52/54,571.49
  6. Step 6: Final answer
    x = 42,344.43

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Double scale
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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.