Home / 57,631.38-79,528.23-32,140.36

Finding the Fourth Proportional to 57,631.38, 79,528.23 and 32,140.36

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Solution

The fourth proportional to 57,631.38, 79,528.23 and 32,140.36 is: 44,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.38 : 79,528.23 = 32,140.36 : x
  2. Step 2: Convert to fraction form
    57,631.38/79,528.23 = 32,140.36/x
  3. Step 3: Cross multiply
    57,631.38x = 79,528.23 × 32,140.36
  4. Step 4: Simplify right side
    57,631.38x = 2,556,065,942.36
  5. Step 5: Solve for x
    x = 2,556,065,942.36/57,631.38
  6. Step 6: Final answer
    x = 44,351.98

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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.