Home / 36,800.63-55,209.09-13,427.07

Finding the Fourth Proportional to 36,800.63, 55,209.09 and 13,427.07

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Solution

The fourth proportional to 36,800.63, 55,209.09 and 13,427.07 is: 20,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,800.63 : 55,209.09 = 13,427.07 : x
  2. Step 2: Convert to fraction form
    36,800.63/55,209.09 = 13,427.07/x
  3. Step 3: Cross multiply
    36,800.63x = 55,209.09 × 13,427.07
  4. Step 4: Simplify right side
    36,800.63x = 741,296,159.38
  5. Step 5: Solve for x
    x = 741,296,159.38/36,800.63
  6. Step 6: Final answer
    x = 20,143.57

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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.