Home / 34,406.64-51,600.24-13,345.20

Finding the Fourth Proportional to 34,406.64, 51,600.24 and 13,345.20

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Solution

The fourth proportional to 34,406.64, 51,600.24 and 13,345.20 is: 20,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,406.64 : 51,600.24 = 13,345.20 : x
  2. Step 2: Convert to fraction form
    34,406.64/51,600.24 = 13,345.20/x
  3. Step 3: Cross multiply
    34,406.64x = 51,600.24 × 13,345.20
  4. Step 4: Simplify right side
    34,406.64x = 688,615,522.85
  5. Step 5: Solve for x
    x = 688,615,522.85/34,406.64
  6. Step 6: Final answer
    x = 20,014.03

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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.