Home / 30,775.75-46,170.81-9,717.91

Finding the Fourth Proportional to 30,775.75, 46,170.81 and 9,717.91

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Solution

The fourth proportional to 30,775.75, 46,170.81 and 9,717.91 is: 14,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.75 : 46,170.81 = 9,717.91 : x
  2. Step 2: Convert to fraction form
    30,775.75/46,170.81 = 9,717.91/x
  3. Step 3: Cross multiply
    30,775.75x = 46,170.81 × 9,717.91
  4. Step 4: Simplify right side
    30,775.75x = 448,683,660.78
  5. Step 5: Solve for x
    x = 448,683,660.78/30,775.75
  6. Step 6: Final answer
    x = 14,579.13

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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.