Home / 54,428.13-75,110.16-30,554.19

Finding the Fourth Proportional to 54,428.13, 75,110.16 and 30,554.19

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Solution

The fourth proportional to 54,428.13, 75,110.16 and 30,554.19 is: 42,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.13 : 75,110.16 = 30,554.19 : x
  2. Step 2: Convert to fraction form
    54,428.13/75,110.16 = 30,554.19/x
  3. Step 3: Cross multiply
    54,428.13x = 75,110.16 × 30,554.19
  4. Step 4: Simplify right side
    54,428.13x = 2,294,930,099.57
  5. Step 5: Solve for x
    x = 2,294,930,099.57/54,428.13
  6. Step 6: Final answer
    x = 42,164.41

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Double scale
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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.