Home / 45,339.62-68,009.35-12,059.72

Finding the Fourth Proportional to 45,339.62, 68,009.35 and 12,059.72

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Solution

The fourth proportional to 45,339.62, 68,009.35 and 12,059.72 is: 18,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,339.62 : 68,009.35 = 12,059.72 : x
  2. Step 2: Convert to fraction form
    45,339.62/68,009.35 = 12,059.72/x
  3. Step 3: Cross multiply
    45,339.62x = 68,009.35 × 12,059.72
  4. Step 4: Simplify right side
    45,339.62x = 820,173,858.26
  5. Step 5: Solve for x
    x = 820,173,858.26/45,339.62
  6. Step 6: Final answer
    x = 18,089.56

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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.