Home / 37,134.51-51,246.63-21,218.64

Finding the Fourth Proportional to 37,134.51, 51,246.63 and 21,218.64

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Solution

The fourth proportional to 37,134.51, 51,246.63 and 21,218.64 is: 29,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.51 : 51,246.63 = 21,218.64 : x
  2. Step 2: Convert to fraction form
    37,134.51/51,246.63 = 21,218.64/x
  3. Step 3: Cross multiply
    37,134.51x = 51,246.63 × 21,218.64
  4. Step 4: Simplify right side
    37,134.51x = 1,087,383,793.18
  5. Step 5: Solve for x
    x = 1,087,383,793.18/37,134.51
  6. Step 6: Final answer
    x = 29,282.30

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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.