Home / 37,995.12-57,005.64-20,466.72

Finding the Fourth Proportional to 37,995.12, 57,005.64 and 20,466.72

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Solution

The fourth proportional to 37,995.12, 57,005.64 and 20,466.72 is: 30,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,995.12 : 57,005.64 = 20,466.72 : x
  2. Step 2: Convert to fraction form
    37,995.12/57,005.64 = 20,466.72/x
  3. Step 3: Cross multiply
    37,995.12x = 57,005.64 × 20,466.72
  4. Step 4: Simplify right side
    37,995.12x = 1,166,718,472.30
  5. Step 5: Solve for x
    x = 1,166,718,472.30/37,995.12
  6. Step 6: Final answer
    x = 30,707.06

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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.