Home / 34,686.20-47,867.91-21,069.64

Finding the Fourth Proportional to 34,686.20, 47,867.91 and 21,069.64

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Solution

The fourth proportional to 34,686.20, 47,867.91 and 21,069.64 is: 29,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.20 : 47,867.91 = 21,069.64 : x
  2. Step 2: Convert to fraction form
    34,686.20/47,867.91 = 21,069.64/x
  3. Step 3: Cross multiply
    34,686.20x = 47,867.91 × 21,069.64
  4. Step 4: Simplify right side
    34,686.20x = 1,008,559,631.25
  5. Step 5: Solve for x
    x = 1,008,559,631.25/34,686.20
  6. Step 6: Final answer
    x = 29,076.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.