Home / 37,260.09-51,426.23-21,355.20

Finding the Fourth Proportional to 37,260.09, 51,426.23 and 21,355.20

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Solution

The fourth proportional to 37,260.09, 51,426.23 and 21,355.20 is: 29,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260.09 : 51,426.23 = 21,355.20 : x
  2. Step 2: Convert to fraction form
    37,260.09/51,426.23 = 21,355.20/x
  3. Step 3: Cross multiply
    37,260.09x = 51,426.23 × 21,355.20
  4. Step 4: Simplify right side
    37,260.09x = 1,098,217,320.12
  5. Step 5: Solve for x
    x = 1,098,217,320.12/37,260.09
  6. Step 6: Final answer
    x = 29,474.36

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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.