Home / 51,054.62-76,587.40-15,515.87

Finding the Fourth Proportional to 51,054.62, 76,587.40 and 15,515.87

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Solution

The fourth proportional to 51,054.62, 76,587.40 and 15,515.87 is: 23,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,054.62 : 76,587.40 = 15,515.87 : x
  2. Step 2: Convert to fraction form
    51,054.62/76,587.40 = 15,515.87/x
  3. Step 3: Cross multiply
    51,054.62x = 76,587.40 × 15,515.87
  4. Step 4: Simplify right side
    51,054.62x = 1,188,320,142.04
  5. Step 5: Solve for x
    x = 1,188,320,142.04/51,054.62
  6. Step 6: Final answer
    x = 23,275.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.