Home / 49,809.20-74,722.20-14,752.40

Finding the Fourth Proportional to 49,809.20, 74,722.20 and 14,752.40

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Solution

The fourth proportional to 49,809.20, 74,722.20 and 14,752.40 is: 22,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.20 : 74,722.20 = 14,752.40 : x
  2. Step 2: Convert to fraction form
    49,809.20/74,722.20 = 14,752.40/x
  3. Step 3: Cross multiply
    49,809.20x = 74,722.20 × 14,752.40
  4. Step 4: Simplify right side
    49,809.20x = 1,102,331,783.28
  5. Step 5: Solve for x
    x = 1,102,331,783.28/49,809.20
  6. Step 6: Final answer
    x = 22,131.09

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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.