Home / 74,853.90-112,183.35-30,428.76

Finding the Fourth Proportional to 74,853.90, 112,183.35 and 30,428.76

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Solution

The fourth proportional to 74,853.90, 112,183.35 and 30,428.76 is: 45,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,853.90 : 112,183.35 = 30,428.76 : x
  2. Step 2: Convert to fraction form
    74,853.90/112,183.35 = 30,428.76/x
  3. Step 3: Cross multiply
    74,853.90x = 112,183.35 × 30,428.76
  4. Step 4: Simplify right side
    74,853.90x = 3,413,600,233.15
  5. Step 5: Solve for x
    x = 3,413,600,233.15/74,853.90
  6. Step 6: Final answer
    x = 45,603.51

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1.5x scale

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.