Home / 37,625.84-51,921.64-21,709.36

Finding the Fourth Proportional to 37,625.84, 51,921.64 and 21,709.36

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Solution

The fourth proportional to 37,625.84, 51,921.64 and 21,709.36 is: 29,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,625.84 : 51,921.64 = 21,709.36 : x
  2. Step 2: Convert to fraction form
    37,625.84/51,921.64 = 21,709.36/x
  3. Step 3: Cross multiply
    37,625.84x = 51,921.64 × 21,709.36
  4. Step 4: Simplify right side
    37,625.84x = 1,127,185,574.55
  5. Step 5: Solve for x
    x = 1,127,185,574.55/37,625.84
  6. Step 6: Final answer
    x = 29,957.75

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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.