Home / 54,588.89-75,334.14-30,716.41

Finding the Fourth Proportional to 54,588.89, 75,334.14 and 30,716.41

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Solution

The fourth proportional to 54,588.89, 75,334.14 and 30,716.41 is: 42,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.89 : 75,334.14 = 30,716.41 : x
  2. Step 2: Convert to fraction form
    54,588.89/75,334.14 = 30,716.41/x
  3. Step 3: Cross multiply
    54,588.89x = 75,334.14 × 30,716.41
  4. Step 4: Simplify right side
    54,588.89x = 2,313,994,331.24
  5. Step 5: Solve for x
    x = 2,313,994,331.24/54,588.89
  6. Step 6: Final answer
    x = 42,389.47

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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.