Home / 37,285.87-51,455.58-20,291.21

Finding the Fourth Proportional to 37,285.87, 51,455.58 and 20,291.21

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Solution

The fourth proportional to 37,285.87, 51,455.58 and 20,291.21 is: 28,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.87 : 51,455.58 = 20,291.21 : x
  2. Step 2: Convert to fraction form
    37,285.87/51,455.58 = 20,291.21/x
  3. Step 3: Cross multiply
    37,285.87x = 51,455.58 × 20,291.21
  4. Step 4: Simplify right side
    37,285.87x = 1,044,095,896.11
  5. Step 5: Solve for x
    x = 1,044,095,896.11/37,285.87
  6. Step 6: Final answer
    x = 28,002.46

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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.