Home / 55,347.12-83,077.18-40,511.97

Finding the Fourth Proportional to 55,347.12, 83,077.18 and 40,511.97

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Solution

The fourth proportional to 55,347.12, 83,077.18 and 40,511.97 is: 60,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.12 : 83,077.18 = 40,511.97 : x
  2. Step 2: Convert to fraction form
    55,347.12/83,077.18 = 40,511.97/x
  3. Step 3: Cross multiply
    55,347.12x = 83,077.18 × 40,511.97
  4. Step 4: Simplify right side
    55,347.12x = 3,365,620,122.56
  5. Step 5: Solve for x
    x = 3,365,620,122.56/55,347.12
  6. Step 6: Final answer
    x = 60,809.31

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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.