Home / 37,912.22-52,320.41-20,918.42

Finding the Fourth Proportional to 37,912.22, 52,320.41 and 20,918.42

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Solution

The fourth proportional to 37,912.22, 52,320.41 and 20,918.42 is: 28,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.22 : 52,320.41 = 20,918.42 : x
  2. Step 2: Convert to fraction form
    37,912.22/52,320.41 = 20,918.42/x
  3. Step 3: Cross multiply
    37,912.22x = 52,320.41 × 20,918.42
  4. Step 4: Simplify right side
    37,912.22x = 1,094,459,944.76
  5. Step 5: Solve for x
    x = 1,094,459,944.76/37,912.22
  6. Step 6: Final answer
    x = 28,868.27

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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.