Home / 34,210.38-51,320.16-12,018.54

Finding the Fourth Proportional to 34,210.38, 51,320.16 and 12,018.54

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Solution

The fourth proportional to 34,210.38, 51,320.16 and 12,018.54 is: 18,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.38 : 51,320.16 = 12,018.54 : x
  2. Step 2: Convert to fraction form
    34,210.38/51,320.16 = 12,018.54/x
  3. Step 3: Cross multiply
    34,210.38x = 51,320.16 × 12,018.54
  4. Step 4: Simplify right side
    34,210.38x = 616,793,395.77
  5. Step 5: Solve for x
    x = 616,793,395.77/34,210.38
  6. Step 6: Final answer
    x = 18,029.42

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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.