Home / 37,103.14-51,203.64-21,187.30

Finding the Fourth Proportional to 37,103.14, 51,203.64 and 21,187.30

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Solution

The fourth proportional to 37,103.14, 51,203.64 and 21,187.30 is: 29,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,103.14 : 51,203.64 = 21,187.30 : x
  2. Step 2: Convert to fraction form
    37,103.14/51,203.64 = 21,187.30/x
  3. Step 3: Cross multiply
    37,103.14x = 51,203.64 × 21,187.30
  4. Step 4: Simplify right side
    37,103.14x = 1,084,866,881.77
  5. Step 5: Solve for x
    x = 1,084,866,881.77/37,103.14
  6. Step 6: Final answer
    x = 29,239.22

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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.