Home / 51,239.42-76,870.07-17,961.51

Finding the Fourth Proportional to 51,239.42, 76,870.07 and 17,961.51

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Solution

The fourth proportional to 51,239.42, 76,870.07 and 17,961.51 is: 26,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.42 : 76,870.07 = 17,961.51 : x
  2. Step 2: Convert to fraction form
    51,239.42/76,870.07 = 17,961.51/x
  3. Step 3: Cross multiply
    51,239.42x = 76,870.07 × 17,961.51
  4. Step 4: Simplify right side
    51,239.42x = 1,380,702,441.20
  5. Step 5: Solve for x
    x = 1,380,702,441.20/51,239.42
  6. Step 6: Final answer
    x = 26,946.10

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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.