Home / 37,864.45-52,250.81-20,868.64

Finding the Fourth Proportional to 37,864.45, 52,250.81 and 20,868.64

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Solution

The fourth proportional to 37,864.45, 52,250.81 and 20,868.64 is: 28,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,864.45 : 52,250.81 = 20,868.64 : x
  2. Step 2: Convert to fraction form
    37,864.45/52,250.81 = 20,868.64/x
  3. Step 3: Cross multiply
    37,864.45x = 52,250.81 × 20,868.64
  4. Step 4: Simplify right side
    37,864.45x = 1,090,403,343.70
  5. Step 5: Solve for x
    x = 1,090,403,343.70/37,864.45
  6. Step 6: Final answer
    x = 28,797.55

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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.