Home / 37,138.06-51,250.59-20,371.18

Finding the Fourth Proportional to 37,138.06, 51,250.59 and 20,371.18

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Solution

The fourth proportional to 37,138.06, 51,250.59 and 20,371.18 is: 28,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.06 : 51,250.59 = 20,371.18 : x
  2. Step 2: Convert to fraction form
    37,138.06/51,250.59 = 20,371.18/x
  3. Step 3: Cross multiply
    37,138.06x = 51,250.59 × 20,371.18
  4. Step 4: Simplify right side
    37,138.06x = 1,044,034,994.00
  5. Step 5: Solve for x
    x = 1,044,034,994.00/37,138.06
  6. Step 6: Final answer
    x = 28,112.27

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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.