Home / 51,110.79-76,641.91-17,826.81

Finding the Fourth Proportional to 51,110.79, 76,641.91 and 17,826.81

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Solution

The fourth proportional to 51,110.79, 76,641.91 and 17,826.81 is: 26,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.79 : 76,641.91 = 17,826.81 : x
  2. Step 2: Convert to fraction form
    51,110.79/76,641.91 = 17,826.81/x
  3. Step 3: Cross multiply
    51,110.79x = 76,641.91 × 17,826.81
  4. Step 4: Simplify right side
    51,110.79x = 1,366,280,678.47
  5. Step 5: Solve for x
    x = 1,366,280,678.47/51,110.79
  6. Step 6: Final answer
    x = 26,731.75

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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.