Home / 37,032.74-55,549.12-20,384.21

Finding the Fourth Proportional to 37,032.74, 55,549.12 and 20,384.21

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Solution

The fourth proportional to 37,032.74, 55,549.12 and 20,384.21 is: 30,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,032.74 : 55,549.12 = 20,384.21 : x
  2. Step 2: Convert to fraction form
    37,032.74/55,549.12 = 20,384.21/x
  3. Step 3: Cross multiply
    37,032.74x = 55,549.12 × 20,384.21
  4. Step 4: Simplify right side
    37,032.74x = 1,132,324,927.40
  5. Step 5: Solve for x
    x = 1,132,324,927.40/37,032.74
  6. Step 6: Final answer
    x = 30,576.32

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Similar ratio
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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.