Home / 54,045.18-74,581.10-30,174.08

Finding the Fourth Proportional to 54,045.18, 74,581.10 and 30,174.08

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Solution

The fourth proportional to 54,045.18, 74,581.10 and 30,174.08 is: 41,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,045.18 : 74,581.10 = 30,174.08 : x
  2. Step 2: Convert to fraction form
    54,045.18/74,581.10 = 30,174.08/x
  3. Step 3: Cross multiply
    54,045.18x = 74,581.10 × 30,174.08
  4. Step 4: Simplify right side
    54,045.18x = 2,250,415,554.11
  5. Step 5: Solve for x
    x = 2,250,415,554.11/54,045.18
  6. Step 6: Final answer
    x = 41,639.52

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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.