Home / 34,110.64-51,135.84-13,319.60

Finding the Fourth Proportional to 34,110.64, 51,135.84 and 13,319.60

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Solution

The fourth proportional to 34,110.64, 51,135.84 and 13,319.60 is: 19,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,110.64 : 51,135.84 = 13,319.60 : x
  2. Step 2: Convert to fraction form
    34,110.64/51,135.84 = 13,319.60/x
  3. Step 3: Cross multiply
    34,110.64x = 51,135.84 × 13,319.60
  4. Step 4: Simplify right side
    34,110.64x = 681,108,934.46
  5. Step 5: Solve for x
    x = 681,108,934.46/34,110.64
  6. Step 6: Final answer
    x = 19,967.64

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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.