Home / 54,347.05-74,964.41-39,261.88

Finding the Fourth Proportional to 54,347.05, 74,964.41 and 39,261.88

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Solution

The fourth proportional to 54,347.05, 74,964.41 and 39,261.88 is: 54,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.05 : 74,964.41 = 39,261.88 : x
  2. Step 2: Convert to fraction form
    54,347.05/74,964.41 = 39,261.88/x
  3. Step 3: Cross multiply
    54,347.05x = 74,964.41 × 39,261.88
  4. Step 4: Simplify right side
    54,347.05x = 2,943,243,669.69
  5. Step 5: Solve for x
    x = 2,943,243,669.69/54,347.05
  6. Step 6: Final answer
    x = 54,156.46

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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.