Home / 54,754.94-75,561.70-30,881.54

Finding the Fourth Proportional to 54,754.94, 75,561.70 and 30,881.54

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Solution

The fourth proportional to 54,754.94, 75,561.70 and 30,881.54 is: 42,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.94 : 75,561.70 = 30,881.54 : x
  2. Step 2: Convert to fraction form
    54,754.94/75,561.70 = 30,881.54/x
  3. Step 3: Cross multiply
    54,754.94x = 75,561.70 × 30,881.54
  4. Step 4: Simplify right side
    54,754.94x = 2,333,461,661.02
  5. Step 5: Solve for x
    x = 2,333,461,661.02/54,754.94
  6. Step 6: Final answer
    x = 42,616.46

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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.