Home / 54,641.90-75,405.09-30,770.92

Finding the Fourth Proportional to 54,641.90, 75,405.09 and 30,770.92

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Solution

The fourth proportional to 54,641.90, 75,405.09 and 30,770.92 is: 42,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.90 : 75,405.09 = 30,770.92 : x
  2. Step 2: Convert to fraction form
    54,641.90/75,405.09 = 30,770.92/x
  3. Step 3: Cross multiply
    54,641.90x = 75,405.09 × 30,770.92
  4. Step 4: Simplify right side
    54,641.90x = 2,320,283,991.98
  5. Step 5: Solve for x
    x = 2,320,283,991.98/54,641.90
  6. Step 6: Final answer
    x = 42,463.46

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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.