Home / 33,980.18-50,957.28-11,178.72

Finding the Fourth Proportional to 33,980.18, 50,957.28 and 11,178.72

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Solution

The fourth proportional to 33,980.18, 50,957.28 and 11,178.72 is: 16,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.18 : 50,957.28 = 11,178.72 : x
  2. Step 2: Convert to fraction form
    33,980.18/50,957.28 = 11,178.72/x
  3. Step 3: Cross multiply
    33,980.18x = 50,957.28 × 11,178.72
  4. Step 4: Simplify right side
    33,980.18x = 569,637,165.08
  5. Step 5: Solve for x
    x = 569,637,165.08/33,980.18
  6. Step 6: Final answer
    x = 16,763.81

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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.