Home / 37,917.43-52,325.70-20,921.83

Finding the Fourth Proportional to 37,917.43, 52,325.70 and 20,921.83

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Solution

The fourth proportional to 37,917.43, 52,325.70 and 20,921.83 is: 28,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,917.43 : 52,325.70 = 20,921.83 : x
  2. Step 2: Convert to fraction form
    37,917.43/52,325.70 = 20,921.83/x
  3. Step 3: Cross multiply
    37,917.43x = 52,325.70 × 20,921.83
  4. Step 4: Simplify right side
    37,917.43x = 1,094,749,400.03
  5. Step 5: Solve for x
    x = 1,094,749,400.03/37,917.43
  6. Step 6: Final answer
    x = 28,871.93

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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.