Home / 37,237.28-51,386.72-20,469.92

Finding the Fourth Proportional to 37,237.28, 51,386.72 and 20,469.92

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Solution

The fourth proportional to 37,237.28, 51,386.72 and 20,469.92 is: 28,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,237.28 : 51,386.72 = 20,469.92 : x
  2. Step 2: Convert to fraction form
    37,237.28/51,386.72 = 20,469.92/x
  3. Step 3: Cross multiply
    37,237.28x = 51,386.72 × 20,469.92
  4. Step 4: Simplify right side
    37,237.28x = 1,051,882,047.46
  5. Step 5: Solve for x
    x = 1,051,882,047.46/37,237.28
  6. Step 6: Final answer
    x = 28,248.09

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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.