Home / 37,141.41-51,251.66-21,009.55

Finding the Fourth Proportional to 37,141.41, 51,251.66 and 21,009.55

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Solution

The fourth proportional to 37,141.41, 51,251.66 and 21,009.55 is: 28,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.41 : 51,251.66 = 21,009.55 : x
  2. Step 2: Convert to fraction form
    37,141.41/51,251.66 = 21,009.55/x
  3. Step 3: Cross multiply
    37,141.41x = 51,251.66 × 21,009.55
  4. Step 4: Simplify right side
    37,141.41x = 1,076,774,458.29
  5. Step 5: Solve for x
    x = 1,076,774,458.29/37,141.41
  6. Step 6: Final answer
    x = 28,991.21

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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.