Home / 51,230.58-70,698.61-28,571.03

Finding the Fourth Proportional to 51,230.58, 70,698.61 and 28,571.03

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Solution

The fourth proportional to 51,230.58, 70,698.61 and 28,571.03 is: 39,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.58 : 70,698.61 = 28,571.03 : x
  2. Step 2: Convert to fraction form
    51,230.58/70,698.61 = 28,571.03/x
  3. Step 3: Cross multiply
    51,230.58x = 70,698.61 × 28,571.03
  4. Step 4: Simplify right side
    51,230.58x = 2,019,931,893.90
  5. Step 5: Solve for x
    x = 2,019,931,893.90/51,230.58
  6. Step 6: Final answer
    x = 39,428.25

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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.