Home / 51,232.86-70,701.21-28,571.88

Finding the Fourth Proportional to 51,232.86, 70,701.21 and 28,571.88

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Solution

The fourth proportional to 51,232.86, 70,701.21 and 28,571.88 is: 39,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,232.86 : 70,701.21 = 28,571.88 : x
  2. Step 2: Convert to fraction form
    51,232.86/70,701.21 = 28,571.88/x
  3. Step 3: Cross multiply
    51,232.86x = 70,701.21 × 28,571.88
  4. Step 4: Simplify right side
    51,232.86x = 2,020,066,487.97
  5. Step 5: Solve for x
    x = 2,020,066,487.97/51,232.86
  6. Step 6: Final answer
    x = 39,429.12

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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.