Home / 37,107.84-51,218.12-21,201.51

Finding the Fourth Proportional to 37,107.84, 51,218.12 and 21,201.51

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Solution

The fourth proportional to 37,107.84, 51,218.12 and 21,201.51 is: 29,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.84 : 51,218.12 = 21,201.51 : x
  2. Step 2: Convert to fraction form
    37,107.84/51,218.12 = 21,201.51/x
  3. Step 3: Cross multiply
    37,107.84x = 51,218.12 × 21,201.51
  4. Step 4: Simplify right side
    37,107.84x = 1,085,901,483.36
  5. Step 5: Solve for x
    x = 1,085,901,483.36/37,107.84
  6. Step 6: Final answer
    x = 29,263.40

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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.