Home / 51,428.31-70,957.78-32,311.09

Finding the Fourth Proportional to 51,428.31, 70,957.78 and 32,311.09

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Solution

The fourth proportional to 51,428.31, 70,957.78 and 32,311.09 is: 44,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.31 : 70,957.78 = 32,311.09 : x
  2. Step 2: Convert to fraction form
    51,428.31/70,957.78 = 32,311.09/x
  3. Step 3: Cross multiply
    51,428.31x = 70,957.78 × 32,311.09
  4. Step 4: Simplify right side
    51,428.31x = 2,292,723,215.78
  5. Step 5: Solve for x
    x = 2,292,723,215.78/51,428.31
  6. Step 6: Final answer
    x = 44,580.96

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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.