Home / 51,090.85-76,558.20-21,492.46

Finding the Fourth Proportional to 51,090.85, 76,558.20 and 21,492.46

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Solution

The fourth proportional to 51,090.85, 76,558.20 and 21,492.46 is: 32,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.85 : 76,558.20 = 21,492.46 : x
  2. Step 2: Convert to fraction form
    51,090.85/76,558.20 = 21,492.46/x
  3. Step 3: Cross multiply
    51,090.85x = 76,558.20 × 21,492.46
  4. Step 4: Simplify right side
    51,090.85x = 1,645,424,051.17
  5. Step 5: Solve for x
    x = 1,645,424,051.17/51,090.85
  6. Step 6: Final answer
    x = 32,205.85

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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.