Home / 54,191.85-74,810.32-40,768.22

Finding the Fourth Proportional to 54,191.85, 74,810.32 and 40,768.22

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Solution

The fourth proportional to 54,191.85, 74,810.32 and 40,768.22 is: 56,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191.85 : 74,810.32 = 40,768.22 : x
  2. Step 2: Convert to fraction form
    54,191.85/74,810.32 = 40,768.22/x
  3. Step 3: Cross multiply
    54,191.85x = 74,810.32 × 40,768.22
  4. Step 4: Simplify right side
    54,191.85x = 3,049,883,669.14
  5. Step 5: Solve for x
    x = 3,049,883,669.14/54,191.85
  6. Step 6: Final answer
    x = 56,279.38

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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.