Home / 34,187.60-51,295.80-18,616.40

Finding the Fourth Proportional to 34,187.60, 51,295.80 and 18,616.40

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Solution

The fourth proportional to 34,187.60, 51,295.80 and 18,616.40 is: 27,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.60 : 51,295.80 = 18,616.40 : x
  2. Step 2: Convert to fraction form
    34,187.60/51,295.80 = 18,616.40/x
  3. Step 3: Cross multiply
    34,187.60x = 51,295.80 × 18,616.40
  4. Step 4: Simplify right side
    34,187.60x = 954,943,131.12
  5. Step 5: Solve for x
    x = 954,943,131.12/34,187.60
  6. Step 6: Final answer
    x = 27,932.44

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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.