Home / 37,238.95-51,390.25-20,243.46

Finding the Fourth Proportional to 37,238.95, 51,390.25 and 20,243.46

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Solution

The fourth proportional to 37,238.95, 51,390.25 and 20,243.46 is: 27,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238.95 : 51,390.25 = 20,243.46 : x
  2. Step 2: Convert to fraction form
    37,238.95/51,390.25 = 20,243.46/x
  3. Step 3: Cross multiply
    37,238.95x = 51,390.25 × 20,243.46
  4. Step 4: Simplify right side
    37,238.95x = 1,040,316,470.27
  5. Step 5: Solve for x
    x = 1,040,316,470.27/37,238.95
  6. Step 6: Final answer
    x = 27,936.25

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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.