Home / 51,588.04-71,199.46-28,936.20

Finding the Fourth Proportional to 51,588.04, 71,199.46 and 28,936.20

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Solution

The fourth proportional to 51,588.04, 71,199.46 and 28,936.20 is: 39,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.04 : 71,199.46 = 28,936.20 : x
  2. Step 2: Convert to fraction form
    51,588.04/71,199.46 = 28,936.20/x
  3. Step 3: Cross multiply
    51,588.04x = 71,199.46 × 28,936.20
  4. Step 4: Simplify right side
    51,588.04x = 2,060,241,814.45
  5. Step 5: Solve for x
    x = 2,060,241,814.45/51,588.04
  6. Step 6: Final answer
    x = 39,936.42

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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.