Home / 51,228.40-76,900.20-39,593.20

Finding the Fourth Proportional to 51,228.40, 76,900.20 and 39,593.20

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Solution

The fourth proportional to 51,228.40, 76,900.20 and 39,593.20 is: 59,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.40 : 76,900.20 = 39,593.20 : x
  2. Step 2: Convert to fraction form
    51,228.40/76,900.20 = 39,593.20/x
  3. Step 3: Cross multiply
    51,228.40x = 76,900.20 × 39,593.20
  4. Step 4: Simplify right side
    51,228.40x = 3,044,724,998.64
  5. Step 5: Solve for x
    x = 3,044,724,998.64/51,228.40
  6. Step 6: Final answer
    x = 59,434.32

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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.