Home / 49,513.20-74,269.80-14,456.40

Finding the Fourth Proportional to 49,513.20, 74,269.80 and 14,456.40

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Solution

The fourth proportional to 49,513.20, 74,269.80 and 14,456.40 is: 21,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,513.20 : 74,269.80 = 14,456.40 : x
  2. Step 2: Convert to fraction form
    49,513.20/74,269.80 = 14,456.40/x
  3. Step 3: Cross multiply
    49,513.20x = 74,269.80 × 14,456.40
  4. Step 4: Simplify right side
    49,513.20x = 1,073,673,936.72
  5. Step 5: Solve for x
    x = 1,073,673,936.72/49,513.20
  6. Step 6: Final answer
    x = 21,684.60

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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.