Home / 36,246.60-54,386.10-12,889.80

Finding the Fourth Proportional to 36,246.60, 54,386.10 and 12,889.80

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Solution

The fourth proportional to 36,246.60, 54,386.10 and 12,889.80 is: 19,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,246.60 : 54,386.10 = 12,889.80 : x
  2. Step 2: Convert to fraction form
    36,246.60/54,386.10 = 12,889.80/x
  3. Step 3: Cross multiply
    36,246.60x = 54,386.10 × 12,889.80
  4. Step 4: Simplify right side
    36,246.60x = 701,025,951.78
  5. Step 5: Solve for x
    x = 701,025,951.78/36,246.60
  6. Step 6: Final answer
    x = 19,340.46

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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.