Home / 34,140.08-51,190.84-14,138.28

Finding the Fourth Proportional to 34,140.08, 51,190.84 and 14,138.28

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Solution

The fourth proportional to 34,140.08, 51,190.84 and 14,138.28 is: 21,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.08 : 51,190.84 = 14,138.28 : x
  2. Step 2: Convert to fraction form
    34,140.08/51,190.84 = 14,138.28/x
  3. Step 3: Cross multiply
    34,140.08x = 51,190.84 × 14,138.28
  4. Step 4: Simplify right side
    34,140.08x = 723,750,429.36
  5. Step 5: Solve for x
    x = 723,750,429.36/34,140.08
  6. Step 6: Final answer
    x = 21,199.44

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1.5x scale

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.