Home / 36,617.40-54,901.44-13,240.80

Finding the Fourth Proportional to 36,617.40, 54,901.44 and 13,240.80

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Solution

The fourth proportional to 36,617.40, 54,901.44 and 13,240.80 is: 19,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,617.40 : 54,901.44 = 13,240.80 : x
  2. Step 2: Convert to fraction form
    36,617.40/54,901.44 = 13,240.80/x
  3. Step 3: Cross multiply
    36,617.40x = 54,901.44 × 13,240.80
  4. Step 4: Simplify right side
    36,617.40x = 726,938,986.75
  5. Step 5: Solve for x
    x = 726,938,986.75/36,617.40
  6. Step 6: Final answer
    x = 19,852.28

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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.