Home / 37,043.25-51,119.16-21,127.96

Finding the Fourth Proportional to 37,043.25, 51,119.16 and 21,127.96

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Solution

The fourth proportional to 37,043.25, 51,119.16 and 21,127.96 is: 29,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,043.25 : 51,119.16 = 21,127.96 : x
  2. Step 2: Convert to fraction form
    37,043.25/51,119.16 = 21,127.96/x
  3. Step 3: Cross multiply
    37,043.25x = 51,119.16 × 21,127.96
  4. Step 4: Simplify right side
    37,043.25x = 1,080,043,567.71
  5. Step 5: Solve for x
    x = 1,080,043,567.71/37,043.25
  6. Step 6: Final answer
    x = 29,156.29

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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.