Home / 45,202.92-62,431.10-30,838.09

Finding the Fourth Proportional to 45,202.92, 62,431.10 and 30,838.09

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Solution

The fourth proportional to 45,202.92, 62,431.10 and 30,838.09 is: 42,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202.92 : 62,431.10 = 30,838.09 : x
  2. Step 2: Convert to fraction form
    45,202.92/62,431.10 = 30,838.09/x
  3. Step 3: Cross multiply
    45,202.92x = 62,431.10 × 30,838.09
  4. Step 4: Simplify right side
    45,202.92x = 1,925,255,414.25
  5. Step 5: Solve for x
    x = 1,925,255,414.25/45,202.92
  6. Step 6: Final answer
    x = 42,591.39

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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.