Home / 57,976.16-86,964.84-18,532.40

Finding the Fourth Proportional to 57,976.16, 86,964.84 and 18,532.40

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Solution

The fourth proportional to 57,976.16, 86,964.84 and 18,532.40 is: 27,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.16 : 86,964.84 = 18,532.40 : x
  2. Step 2: Convert to fraction form
    57,976.16/86,964.84 = 18,532.40/x
  3. Step 3: Cross multiply
    57,976.16x = 86,964.84 × 18,532.40
  4. Step 4: Simplify right side
    57,976.16x = 1,611,666,765.99
  5. Step 5: Solve for x
    x = 1,611,666,765.99/57,976.16
  6. Step 6: Final answer
    x = 27,798.79

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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.