Home / 51,939.77-71,676.85-28,066.43

Finding the Fourth Proportional to 51,939.77, 71,676.85 and 28,066.43

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Solution

The fourth proportional to 51,939.77, 71,676.85 and 28,066.43 is: 38,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.77 : 71,676.85 = 28,066.43 : x
  2. Step 2: Convert to fraction form
    51,939.77/71,676.85 = 28,066.43/x
  3. Step 3: Cross multiply
    51,939.77x = 71,676.85 × 28,066.43
  4. Step 4: Simplify right side
    51,939.77x = 2,011,713,152.81
  5. Step 5: Solve for x
    x = 2,011,713,152.81/51,939.77
  6. Step 6: Final answer
    x = 38,731.66

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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.