Home / 74,426.13-111,638.66-30,052.24

Finding the Fourth Proportional to 74,426.13, 111,638.66 and 30,052.24

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Solution

The fourth proportional to 74,426.13, 111,638.66 and 30,052.24 is: 45,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.13 : 111,638.66 = 30,052.24 : x
  2. Step 2: Convert to fraction form
    74,426.13/111,638.66 = 30,052.24/x
  3. Step 3: Cross multiply
    74,426.13x = 111,638.66 × 30,052.24
  4. Step 4: Simplify right side
    74,426.13x = 3,354,991,374.24
  5. Step 5: Solve for x
    x = 3,354,991,374.24/74,426.13
  6. Step 6: Final answer
    x = 45,078.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.