Home / 36,903.70-55,359.60-13,535.20

Finding the Fourth Proportional to 36,903.70, 55,359.60 and 13,535.20

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Solution

The fourth proportional to 36,903.70, 55,359.60 and 13,535.20 is: 20,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.70 : 55,359.60 = 13,535.20 : x
  2. Step 2: Convert to fraction form
    36,903.70/55,359.60 = 13,535.20/x
  3. Step 3: Cross multiply
    36,903.70x = 55,359.60 × 13,535.20
  4. Step 4: Simplify right side
    36,903.70x = 749,303,257.92
  5. Step 5: Solve for x
    x = 749,303,257.92/36,903.70
  6. Step 6: Final answer
    x = 20,304.29

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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.