Home / 54,954.56-75,830.40-30,754.88

Finding the Fourth Proportional to 54,954.56, 75,830.40 and 30,754.88

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Solution

The fourth proportional to 54,954.56, 75,830.40 and 30,754.88 is: 42,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,954.56 : 75,830.40 = 30,754.88 : x
  2. Step 2: Convert to fraction form
    54,954.56/75,830.40 = 30,754.88/x
  3. Step 3: Cross multiply
    54,954.56x = 75,830.40 × 30,754.88
  4. Step 4: Simplify right side
    54,954.56x = 2,332,154,852.35
  5. Step 5: Solve for x
    x = 2,332,154,852.35/54,954.56
  6. Step 6: Final answer
    x = 42,437.88

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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.