Home / 34,146.64-51,219.90-13,355.56

Finding the Fourth Proportional to 34,146.64, 51,219.90 and 13,355.56

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Solution

The fourth proportional to 34,146.64, 51,219.90 and 13,355.56 is: 20,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,146.64 : 51,219.90 = 13,355.56 : x
  2. Step 2: Convert to fraction form
    34,146.64/51,219.90 = 13,355.56/x
  3. Step 3: Cross multiply
    34,146.64x = 51,219.90 × 13,355.56
  4. Step 4: Simplify right side
    34,146.64x = 684,070,447.64
  5. Step 5: Solve for x
    x = 684,070,447.64/34,146.64
  6. Step 6: Final answer
    x = 20,033.32

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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.