Home / 51,361.44-70,877.92-28,700.76

Finding the Fourth Proportional to 51,361.44, 70,877.92 and 28,700.76

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Solution

The fourth proportional to 51,361.44, 70,877.92 and 28,700.76 is: 39,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,361.44 : 70,877.92 = 28,700.76 : x
  2. Step 2: Convert to fraction form
    51,361.44/70,877.92 = 28,700.76/x
  3. Step 3: Cross multiply
    51,361.44x = 70,877.92 × 28,700.76
  4. Step 4: Simplify right side
    51,361.44x = 2,034,250,171.22
  5. Step 5: Solve for x
    x = 2,034,250,171.22/51,361.44
  6. Step 6: Final answer
    x = 39,606.56

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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.