Home / 43,328.92-65,001.46-13,738.80

Finding the Fourth Proportional to 43,328.92, 65,001.46 and 13,738.80

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Solution

The fourth proportional to 43,328.92, 65,001.46 and 13,738.80 is: 20,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.92 : 65,001.46 = 13,738.80 : x
  2. Step 2: Convert to fraction form
    43,328.92/65,001.46 = 13,738.80/x
  3. Step 3: Cross multiply
    43,328.92x = 65,001.46 × 13,738.80
  4. Step 4: Simplify right side
    43,328.92x = 893,042,058.65
  5. Step 5: Solve for x
    x = 893,042,058.65/43,328.92
  6. Step 6: Final answer
    x = 20,610.76

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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.