Home / 54,428.51-75,110.68-30,554.57

Finding the Fourth Proportional to 54,428.51, 75,110.68 and 30,554.57

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Solution

The fourth proportional to 54,428.51, 75,110.68 and 30,554.57 is: 42,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.51 : 75,110.68 = 30,554.57 : x
  2. Step 2: Convert to fraction form
    54,428.51/75,110.68 = 30,554.57/x
  3. Step 3: Cross multiply
    54,428.51x = 75,110.68 × 30,554.57
  4. Step 4: Simplify right side
    54,428.51x = 2,294,974,077.87
  5. Step 5: Solve for x
    x = 2,294,974,077.87/54,428.51
  6. Step 6: Final answer
    x = 42,164.93

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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.