Home / 54,681.74-75,458.01-30,809.82

Finding the Fourth Proportional to 54,681.74, 75,458.01 and 30,809.82

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Solution

The fourth proportional to 54,681.74, 75,458.01 and 30,809.82 is: 42,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,681.74 : 75,458.01 = 30,809.82 : x
  2. Step 2: Convert to fraction form
    54,681.74/75,458.01 = 30,809.82/x
  3. Step 3: Cross multiply
    54,681.74x = 75,458.01 × 30,809.82
  4. Step 4: Simplify right side
    54,681.74x = 2,324,847,705.66
  5. Step 5: Solve for x
    x = 2,324,847,705.66/54,681.74
  6. Step 6: Final answer
    x = 42,515.98

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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.