Home / 37,048.75-51,127.28-20,281.75

Finding the Fourth Proportional to 37,048.75, 51,127.28 and 20,281.75

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Solution

The fourth proportional to 37,048.75, 51,127.28 and 20,281.75 is: 27,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,048.75 : 51,127.28 = 20,281.75 : x
  2. Step 2: Convert to fraction form
    37,048.75/51,127.28 = 20,281.75/x
  3. Step 3: Cross multiply
    37,048.75x = 51,127.28 × 20,281.75
  4. Step 4: Simplify right side
    37,048.75x = 1,036,950,609.73
  5. Step 5: Solve for x
    x = 1,036,950,609.73/37,048.75
  6. Step 6: Final answer
    x = 27,988.82

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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.