Home / 47,164.30-70,722.09-13,880.04

Finding the Fourth Proportional to 47,164.30, 70,722.09 and 13,880.04

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Solution

The fourth proportional to 47,164.30, 70,722.09 and 13,880.04 is: 20,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,164.30 : 70,722.09 = 13,880.04 : x
  2. Step 2: Convert to fraction form
    47,164.30/70,722.09 = 13,880.04/x
  3. Step 3: Cross multiply
    47,164.30x = 70,722.09 × 13,880.04
  4. Step 4: Simplify right side
    47,164.30x = 981,625,438.08
  5. Step 5: Solve for x
    x = 981,625,438.08/47,164.30
  6. Step 6: Final answer
    x = 20,812.89

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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.