Home / 37,450.35-51,681.90-20,455.10

Finding the Fourth Proportional to 37,450.35, 51,681.90 and 20,455.10

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Solution

The fourth proportional to 37,450.35, 51,681.90 and 20,455.10 is: 28,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.35 : 51,681.90 = 20,455.10 : x
  2. Step 2: Convert to fraction form
    37,450.35/51,681.90 = 20,455.10/x
  3. Step 3: Cross multiply
    37,450.35x = 51,681.90 × 20,455.10
  4. Step 4: Simplify right side
    37,450.35x = 1,057,158,329.73
  5. Step 5: Solve for x
    x = 1,057,158,329.73/37,450.35
  6. Step 6: Final answer
    x = 28,228.26

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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.