Home / 37,905.27-52,313.79-21,990.25

Finding the Fourth Proportional to 37,905.27, 52,313.79 and 21,990.25

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Solution

The fourth proportional to 37,905.27, 52,313.79 and 21,990.25 is: 30,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,905.27 : 52,313.79 = 21,990.25 : x
  2. Step 2: Convert to fraction form
    37,905.27/52,313.79 = 21,990.25/x
  3. Step 3: Cross multiply
    37,905.27x = 52,313.79 × 21,990.25
  4. Step 4: Simplify right side
    37,905.27x = 1,150,393,320.55
  5. Step 5: Solve for x
    x = 1,150,393,320.55/37,905.27
  6. Step 6: Final answer
    x = 30,349.17

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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.