Home / 51,975.93-71,726.74-28,102.55

Finding the Fourth Proportional to 51,975.93, 71,726.74 and 28,102.55

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Solution

The fourth proportional to 51,975.93, 71,726.74 and 28,102.55 is: 38,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.93 : 71,726.74 = 28,102.55 : x
  2. Step 2: Convert to fraction form
    51,975.93/71,726.74 = 28,102.55/x
  3. Step 3: Cross multiply
    51,975.93x = 71,726.74 × 28,102.55
  4. Step 4: Simplify right side
    51,975.93x = 2,015,704,406.25
  5. Step 5: Solve for x
    x = 2,015,704,406.25/51,975.93
  6. Step 6: Final answer
    x = 38,781.50

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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.