Home / 37,072.39-51,159.90-20,305.39

Finding the Fourth Proportional to 37,072.39, 51,159.90 and 20,305.39

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Solution

The fourth proportional to 37,072.39, 51,159.90 and 20,305.39 is: 28,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,072.39 : 51,159.90 = 20,305.39 : x
  2. Step 2: Convert to fraction form
    37,072.39/51,159.90 = 20,305.39/x
  3. Step 3: Cross multiply
    37,072.39x = 51,159.90 × 20,305.39
  4. Step 4: Simplify right side
    37,072.39x = 1,038,821,721.86
  5. Step 5: Solve for x
    x = 1,038,821,721.86/37,072.39
  6. Step 6: Final answer
    x = 28,021.44

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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.