Home / 37,182.15-51,309.86-20,185.74

Finding the Fourth Proportional to 37,182.15, 51,309.86 and 20,185.74

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Solution

The fourth proportional to 37,182.15, 51,309.86 and 20,185.74 is: 27,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,182.15 : 51,309.86 = 20,185.74 : x
  2. Step 2: Convert to fraction form
    37,182.15/51,309.86 = 20,185.74/x
  3. Step 3: Cross multiply
    37,182.15x = 51,309.86 × 20,185.74
  4. Step 4: Simplify right side
    37,182.15x = 1,035,727,392.47
  5. Step 5: Solve for x
    x = 1,035,727,392.47/37,182.15
  6. Step 6: Final answer
    x = 27,855.50

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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.