Home / 51,258.36-76,889.86-15,717.09

Finding the Fourth Proportional to 51,258.36, 76,889.86 and 15,717.09

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Solution

The fourth proportional to 51,258.36, 76,889.86 and 15,717.09 is: 23,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.36 : 76,889.86 = 15,717.09 : x
  2. Step 2: Convert to fraction form
    51,258.36/76,889.86 = 15,717.09/x
  3. Step 3: Cross multiply
    51,258.36x = 76,889.86 × 15,717.09
  4. Step 4: Simplify right side
    51,258.36x = 1,208,484,386.67
  5. Step 5: Solve for x
    x = 1,208,484,386.67/51,258.36
  6. Step 6: Final answer
    x = 23,576.34

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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.