Home / 54,961-75,846.18-31,087.16

Finding the Fourth Proportional to 54,961, 75,846.18 and 31,087.16

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Solution

The fourth proportional to 54,961, 75,846.18 and 31,087.16 is: 42,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961 : 75,846.18 = 31,087.16 : x
  2. Step 2: Convert to fraction form
    54,961/75,846.18 = 31,087.16/x
  3. Step 3: Cross multiply
    54,961x = 75,846.18 × 31,087.16
  4. Step 4: Simplify right side
    54,961x = 2,357,842,333.05
  5. Step 5: Solve for x
    x = 2,357,842,333.05/54,961
  6. Step 6: Final answer
    x = 42,900.28

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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.