Home / 36,899.04-50,920.20-20,130.96

Finding the Fourth Proportional to 36,899.04, 50,920.20 and 20,130.96

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Solution

The fourth proportional to 36,899.04, 50,920.20 and 20,130.96 is: 27,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.04 : 50,920.20 = 20,130.96 : x
  2. Step 2: Convert to fraction form
    36,899.04/50,920.20 = 20,130.96/x
  3. Step 3: Cross multiply
    36,899.04x = 50,920.20 × 20,130.96
  4. Step 4: Simplify right side
    36,899.04x = 1,025,072,509.39
  5. Step 5: Solve for x
    x = 1,025,072,509.39/36,899.04
  6. Step 6: Final answer
    x = 27,780.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.