Home / 34,468.28-51,670.10-13,421.83

Finding the Fourth Proportional to 34,468.28, 51,670.10 and 13,421.83

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Solution

The fourth proportional to 34,468.28, 51,670.10 and 13,421.83 is: 20,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,468.28 : 51,670.10 = 13,421.83 : x
  2. Step 2: Convert to fraction form
    34,468.28/51,670.10 = 13,421.83/x
  3. Step 3: Cross multiply
    34,468.28x = 51,670.10 × 13,421.83
  4. Step 4: Simplify right side
    34,468.28x = 693,507,202.66
  5. Step 5: Solve for x
    x = 693,507,202.66/34,468.28
  6. Step 6: Final answer
    x = 20,120.16

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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.