Home / 57,820.20-86,732.70-18,376.20

Finding the Fourth Proportional to 57,820.20, 86,732.70 and 18,376.20

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Solution

The fourth proportional to 57,820.20, 86,732.70 and 18,376.20 is: 27,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,820.20 : 86,732.70 = 18,376.20 : x
  2. Step 2: Convert to fraction form
    57,820.20/86,732.70 = 18,376.20/x
  3. Step 3: Cross multiply
    57,820.20x = 86,732.70 × 18,376.20
  4. Step 4: Simplify right side
    57,820.20x = 1,593,817,441.74
  5. Step 5: Solve for x
    x = 1,593,817,441.74/57,820.20
  6. Step 6: Final answer
    x = 27,565.06

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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.