Home / 49,724.84-74,589.72-14,191.40

Finding the Fourth Proportional to 49,724.84, 74,589.72 and 14,191.40

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Solution

The fourth proportional to 49,724.84, 74,589.72 and 14,191.40 is: 21,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,724.84 : 74,589.72 = 14,191.40 : x
  2. Step 2: Convert to fraction form
    49,724.84/74,589.72 = 14,191.40/x
  3. Step 3: Cross multiply
    49,724.84x = 74,589.72 × 14,191.40
  4. Step 4: Simplify right side
    49,724.84x = 1,058,532,223.63
  5. Step 5: Solve for x
    x = 1,058,532,223.63/49,724.84
  6. Step 6: Final answer
    x = 21,287.80

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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.