Home / 36,001.98-49,675.14-20,892.78

Finding the Fourth Proportional to 36,001.98, 49,675.14 and 20,892.78

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Solution

The fourth proportional to 36,001.98, 49,675.14 and 20,892.78 is: 28,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.98 : 49,675.14 = 20,892.78 : x
  2. Step 2: Convert to fraction form
    36,001.98/49,675.14 = 20,892.78/x
  3. Step 3: Cross multiply
    36,001.98x = 49,675.14 × 20,892.78
  4. Step 4: Simplify right side
    36,001.98x = 1,037,851,771.49
  5. Step 5: Solve for x
    x = 1,037,851,771.49/36,001.98
  6. Step 6: Final answer
    x = 28,827.63

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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.