Home / 49,752.40-74,628.60-12,816.40

Finding the Fourth Proportional to 49,752.40, 74,628.60 and 12,816.40

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Solution

The fourth proportional to 49,752.40, 74,628.60 and 12,816.40 is: 19,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,752.40 : 74,628.60 = 12,816.40 : x
  2. Step 2: Convert to fraction form
    49,752.40/74,628.60 = 12,816.40/x
  3. Step 3: Cross multiply
    49,752.40x = 74,628.60 × 12,816.40
  4. Step 4: Simplify right side
    49,752.40x = 956,469,989.04
  5. Step 5: Solve for x
    x = 956,469,989.04/49,752.40
  6. Step 6: Final answer
    x = 19,224.60

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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.