Home / 37,905.20-52,308.53-20,911.07

Finding the Fourth Proportional to 37,905.20, 52,308.53 and 20,911.07

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Solution

The fourth proportional to 37,905.20, 52,308.53 and 20,911.07 is: 28,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,905.20 : 52,308.53 = 20,911.07 : x
  2. Step 2: Convert to fraction form
    37,905.20/52,308.53 = 20,911.07/x
  3. Step 3: Cross multiply
    37,905.20x = 52,308.53 × 20,911.07
  4. Step 4: Simplify right side
    37,905.20x = 1,093,827,297.33
  5. Step 5: Solve for x
    x = 1,093,827,297.33/37,905.20
  6. Step 6: Final answer
    x = 28,856.92

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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.