Home / 44,486.09-66,721.43-20,795.78

Finding the Fourth Proportional to 44,486.09, 66,721.43 and 20,795.78

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Solution

The fourth proportional to 44,486.09, 66,721.43 and 20,795.78 is: 31,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,486.09 : 66,721.43 = 20,795.78 : x
  2. Step 2: Convert to fraction form
    44,486.09/66,721.43 = 20,795.78/x
  3. Step 3: Cross multiply
    44,486.09x = 66,721.43 × 20,795.78
  4. Step 4: Simplify right side
    44,486.09x = 1,387,523,741.98
  5. Step 5: Solve for x
    x = 1,387,523,741.98/44,486.09
  6. Step 6: Final answer
    x = 31,190.06

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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.