Home / 37,836.42-52,213.78-20,840.32

Finding the Fourth Proportional to 37,836.42, 52,213.78 and 20,840.32

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Solution

The fourth proportional to 37,836.42, 52,213.78 and 20,840.32 is: 28,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836.42 : 52,213.78 = 20,840.32 : x
  2. Step 2: Convert to fraction form
    37,836.42/52,213.78 = 20,840.32/x
  3. Step 3: Cross multiply
    37,836.42x = 52,213.78 × 20,840.32
  4. Step 4: Simplify right side
    37,836.42x = 1,088,151,883.61
  5. Step 5: Solve for x
    x = 1,088,151,883.61/37,836.42
  6. Step 6: Final answer
    x = 28,759.38

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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.