Home / 37,743.28-52,086-20,747.84

Finding the Fourth Proportional to 37,743.28, 52,086 and 20,747.84

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Solution

The fourth proportional to 37,743.28, 52,086 and 20,747.84 is: 28,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,743.28 : 52,086 = 20,747.84 : x
  2. Step 2: Convert to fraction form
    37,743.28/52,086 = 20,747.84/x
  3. Step 3: Cross multiply
    37,743.28x = 52,086 × 20,747.84
  4. Step 4: Simplify right side
    37,743.28x = 1,080,671,994.24
  5. Step 5: Solve for x
    x = 1,080,671,994.24/37,743.28
  6. Step 6: Final answer
    x = 28,632.17

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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.