Home / 51,261.05-76,902.72-15,722.51

Finding the Fourth Proportional to 51,261.05, 76,902.72 and 15,722.51

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Solution

The fourth proportional to 51,261.05, 76,902.72 and 15,722.51 is: 23,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.05 : 76,902.72 = 15,722.51 : x
  2. Step 2: Convert to fraction form
    51,261.05/76,902.72 = 15,722.51/x
  3. Step 3: Cross multiply
    51,261.05x = 76,902.72 × 15,722.51
  4. Step 4: Simplify right side
    51,261.05x = 1,209,103,340.75
  5. Step 5: Solve for x
    x = 1,209,103,340.75/51,261.05
  6. Step 6: Final answer
    x = 23,587.17

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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.