Home / 39,076.66-58,622.28-12,782.82

Finding the Fourth Proportional to 39,076.66, 58,622.28 and 12,782.82

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Solution

The fourth proportional to 39,076.66, 58,622.28 and 12,782.82 is: 19,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,076.66 : 58,622.28 = 12,782.82 : x
  2. Step 2: Convert to fraction form
    39,076.66/58,622.28 = 12,782.82/x
  3. Step 3: Cross multiply
    39,076.66x = 58,622.28 × 12,782.82
  4. Step 4: Simplify right side
    39,076.66x = 749,358,053.23
  5. Step 5: Solve for x
    x = 749,358,053.23/39,076.66
  6. Step 6: Final answer
    x = 19,176.61

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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.