Home / 54,429.90-75,109.12-30,551.97

Finding the Fourth Proportional to 54,429.90, 75,109.12 and 30,551.97

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Solution

The fourth proportional to 54,429.90, 75,109.12 and 30,551.97 is: 42,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.90 : 75,109.12 = 30,551.97 : x
  2. Step 2: Convert to fraction form
    54,429.90/75,109.12 = 30,551.97/x
  3. Step 3: Cross multiply
    54,429.90x = 75,109.12 × 30,551.97
  4. Step 4: Simplify right side
    54,429.90x = 2,294,731,129.04
  5. Step 5: Solve for x
    x = 2,294,731,129.04/54,429.90
  6. Step 6: Final answer
    x = 42,159.38

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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.