Home / 50,996.60-76,510.18-20,586.08

Finding the Fourth Proportional to 50,996.60, 76,510.18 and 20,586.08

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Solution

The fourth proportional to 50,996.60, 76,510.18 and 20,586.08 is: 30,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,996.60 : 76,510.18 = 20,586.08 : x
  2. Step 2: Convert to fraction form
    50,996.60/76,510.18 = 20,586.08/x
  3. Step 3: Cross multiply
    50,996.60x = 76,510.18 × 20,586.08
  4. Step 4: Simplify right side
    50,996.60x = 1,575,044,252.28
  5. Step 5: Solve for x
    x = 1,575,044,252.28/50,996.60
  6. Step 6: Final answer
    x = 30,885.28

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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.