Home / 37,821.60-52,189.28-21,903.84

Finding the Fourth Proportional to 37,821.60, 52,189.28 and 21,903.84

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Solution

The fourth proportional to 37,821.60, 52,189.28 and 21,903.84 is: 30,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.60 : 52,189.28 = 21,903.84 : x
  2. Step 2: Convert to fraction form
    37,821.60/52,189.28 = 21,903.84/x
  3. Step 3: Cross multiply
    37,821.60x = 52,189.28 × 21,903.84
  4. Step 4: Simplify right side
    37,821.60x = 1,143,145,638.84
  5. Step 5: Solve for x
    x = 1,143,145,638.84/37,821.60
  6. Step 6: Final answer
    x = 30,224.68

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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.