Home / 37,917.61-52,323.94-20,921.99

Finding the Fourth Proportional to 37,917.61, 52,323.94 and 20,921.99

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Solution

The fourth proportional to 37,917.61, 52,323.94 and 20,921.99 is: 28,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,917.61 : 52,323.94 = 20,921.99 : x
  2. Step 2: Convert to fraction form
    37,917.61/52,323.94 = 20,921.99/x
  3. Step 3: Cross multiply
    37,917.61x = 52,323.94 × 20,921.99
  4. Step 4: Simplify right side
    37,917.61x = 1,094,720,766.33
  5. Step 5: Solve for x
    x = 1,094,720,766.33/37,917.61
  6. Step 6: Final answer
    x = 28,871.04

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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.