Home / 37,450.30-51,681.82-20,455.04

Finding the Fourth Proportional to 37,450.30, 51,681.82 and 20,455.04

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Solution

The fourth proportional to 37,450.30, 51,681.82 and 20,455.04 is: 28,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.30 : 51,681.82 = 20,455.04 : x
  2. Step 2: Convert to fraction form
    37,450.30/51,681.82 = 20,455.04/x
  3. Step 3: Cross multiply
    37,450.30x = 51,681.82 × 20,455.04
  4. Step 4: Simplify right side
    37,450.30x = 1,057,153,695.37
  5. Step 5: Solve for x
    x = 1,057,153,695.37/37,450.30
  6. Step 6: Final answer
    x = 28,228.18

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Double scale
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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.