Home / 54,817.04-75,650.92-30,935

Finding the Fourth Proportional to 54,817.04, 75,650.92 and 30,935

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Solution

The fourth proportional to 54,817.04, 75,650.92 and 30,935 is: 42,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,817.04 : 75,650.92 = 30,935 : x
  2. Step 2: Convert to fraction form
    54,817.04/75,650.92 = 30,935/x
  3. Step 3: Cross multiply
    54,817.04x = 75,650.92 × 30,935
  4. Step 4: Simplify right side
    54,817.04x = 2,340,261,210.20
  5. Step 5: Solve for x
    x = 2,340,261,210.20/54,817.04
  6. Step 6: Final answer
    x = 42,692.22

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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.