Home / 29,639.39-40,901.78-16,210.60

Finding the Fourth Proportional to 29,639.39, 40,901.78 and 16,210.60

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Solution

The fourth proportional to 29,639.39, 40,901.78 and 16,210.60 is: 22,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.39 : 40,901.78 = 16,210.60 : x
  2. Step 2: Convert to fraction form
    29,639.39/40,901.78 = 16,210.60/x
  3. Step 3: Cross multiply
    29,639.39x = 40,901.78 × 16,210.60
  4. Step 4: Simplify right side
    29,639.39x = 663,042,394.87
  5. Step 5: Solve for x
    x = 663,042,394.87/29,639.39
  6. Step 6: Final answer
    x = 22,370.31

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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.