Home / 41,640-62,466.72-13,944.48

Finding the Fourth Proportional to 41,640, 62,466.72 and 13,944.48

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Solution

The fourth proportional to 41,640, 62,466.72 and 13,944.48 is: 20,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,640 : 62,466.72 = 13,944.48 : x
  2. Step 2: Convert to fraction form
    41,640/62,466.72 = 13,944.48/x
  3. Step 3: Cross multiply
    41,640x = 62,466.72 × 13,944.48
  4. Step 4: Simplify right side
    41,640x = 871,065,927.71
  5. Step 5: Solve for x
    x = 871,065,927.71/41,640
  6. Step 6: Final answer
    x = 20,918.97

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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.