Home / 54,427.25-75,109.65-30,551.69

Finding the Fourth Proportional to 54,427.25, 75,109.65 and 30,551.69

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Solution

The fourth proportional to 54,427.25, 75,109.65 and 30,551.69 is: 42,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427.25 : 75,109.65 = 30,551.69 : x
  2. Step 2: Convert to fraction form
    54,427.25/75,109.65 = 30,551.69/x
  3. Step 3: Cross multiply
    54,427.25x = 75,109.65 × 30,551.69
  4. Step 4: Simplify right side
    54,427.25x = 2,294,726,742.81
  5. Step 5: Solve for x
    x = 2,294,726,742.81/54,427.25
  6. Step 6: Final answer
    x = 42,161.36

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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.