Home / 38,409-57,636.18-16,220.94

Finding the Fourth Proportional to 38,409, 57,636.18 and 16,220.94

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Solution

The fourth proportional to 38,409, 57,636.18 and 16,220.94 is: 24,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409 : 57,636.18 = 16,220.94 : x
  2. Step 2: Convert to fraction form
    38,409/57,636.18 = 16,220.94/x
  3. Step 3: Cross multiply
    38,409x = 57,636.18 × 16,220.94
  4. Step 4: Simplify right side
    38,409x = 934,913,017.61
  5. Step 5: Solve for x
    x = 934,913,017.61/38,409
  6. Step 6: Final answer
    x = 24,340.99

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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.