Home / 43,250.60-64,886.80-12,085.85

Finding the Fourth Proportional to 43,250.60, 64,886.80 and 12,085.85

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Solution

The fourth proportional to 43,250.60, 64,886.80 and 12,085.85 is: 18,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,250.60 : 64,886.80 = 12,085.85 : x
  2. Step 2: Convert to fraction form
    43,250.60/64,886.80 = 12,085.85/x
  3. Step 3: Cross multiply
    43,250.60x = 64,886.80 × 12,085.85
  4. Step 4: Simplify right side
    43,250.60x = 784,212,131.78
  5. Step 5: Solve for x
    x = 784,212,131.78/43,250.60
  6. Step 6: Final answer
    x = 18,131.82

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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.