Home / 42,106.43-63,145.97-14,018.94

Finding the Fourth Proportional to 42,106.43, 63,145.97 and 14,018.94

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Solution

The fourth proportional to 42,106.43, 63,145.97 and 14,018.94 is: 21,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106.43 : 63,145.97 = 14,018.94 : x
  2. Step 2: Convert to fraction form
    42,106.43/63,145.97 = 14,018.94/x
  3. Step 3: Cross multiply
    42,106.43x = 63,145.97 × 14,018.94
  4. Step 4: Simplify right side
    42,106.43x = 885,239,494.58
  5. Step 5: Solve for x
    x = 885,239,494.58/42,106.43
  6. Step 6: Final answer
    x = 21,023.85

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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.