Home / 37,238.24-51,384.84-21,321.20

Finding the Fourth Proportional to 37,238.24, 51,384.84 and 21,321.20

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Solution

The fourth proportional to 37,238.24, 51,384.84 and 21,321.20 is: 29,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238.24 : 51,384.84 = 21,321.20 : x
  2. Step 2: Convert to fraction form
    37,238.24/51,384.84 = 21,321.20/x
  3. Step 3: Cross multiply
    37,238.24x = 51,384.84 × 21,321.20
  4. Step 4: Simplify right side
    37,238.24x = 1,095,586,450.61
  5. Step 5: Solve for x
    x = 1,095,586,450.61/37,238.24
  6. Step 6: Final answer
    x = 29,421.01

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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.