Home / 36,785.88-55,135.08-13,385.16

Finding the Fourth Proportional to 36,785.88, 55,135.08 and 13,385.16

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Solution

The fourth proportional to 36,785.88, 55,135.08 and 13,385.16 is: 20,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.88 : 55,135.08 = 13,385.16 : x
  2. Step 2: Convert to fraction form
    36,785.88/55,135.08 = 13,385.16/x
  3. Step 3: Cross multiply
    36,785.88x = 55,135.08 × 13,385.16
  4. Step 4: Simplify right side
    36,785.88x = 737,991,867.41
  5. Step 5: Solve for x
    x = 737,991,867.41/36,785.88
  6. Step 6: Final answer
    x = 20,061.82

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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.