Home / 54,645.39-75,217.82-39,513.51

Finding the Fourth Proportional to 54,645.39, 75,217.82 and 39,513.51

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Solution

The fourth proportional to 54,645.39, 75,217.82 and 39,513.51 is: 54,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.39 : 75,217.82 = 39,513.51 : x
  2. Step 2: Convert to fraction form
    54,645.39/75,217.82 = 39,513.51/x
  3. Step 3: Cross multiply
    54,645.39x = 75,217.82 × 39,513.51
  4. Step 4: Simplify right side
    54,645.39x = 2,972,119,885.18
  5. Step 5: Solve for x
    x = 2,972,119,885.18/54,645.39
  6. Step 6: Final answer
    x = 54,389.22

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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.