Home / 49,980.74-74,981.61-14,441.99

Finding the Fourth Proportional to 49,980.74, 74,981.61 and 14,441.99

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Solution

The fourth proportional to 49,980.74, 74,981.61 and 14,441.99 is: 21,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,980.74 : 74,981.61 = 14,441.99 : x
  2. Step 2: Convert to fraction form
    49,980.74/74,981.61 = 14,441.99/x
  3. Step 3: Cross multiply
    49,980.74x = 74,981.61 × 14,441.99
  4. Step 4: Simplify right side
    49,980.74x = 1,082,883,286.90
  5. Step 5: Solve for x
    x = 1,082,883,286.90/49,980.74
  6. Step 6: Final answer
    x = 21,666.01

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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.