Home / 45,201.54-62,429.20-30,836.71

Finding the Fourth Proportional to 45,201.54, 62,429.20 and 30,836.71

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Solution

The fourth proportional to 45,201.54, 62,429.20 and 30,836.71 is: 42,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.54 : 62,429.20 = 30,836.71 : x
  2. Step 2: Convert to fraction form
    45,201.54/62,429.20 = 30,836.71/x
  3. Step 3: Cross multiply
    45,201.54x = 62,429.20 × 30,836.71
  4. Step 4: Simplify right side
    45,201.54x = 1,925,110,961.29
  5. Step 5: Solve for x
    x = 1,925,110,961.29/45,201.54
  6. Step 6: Final answer
    x = 42,589.50

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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.