Home / 42,106.94-63,151.77-15,811.10

Finding the Fourth Proportional to 42,106.94, 63,151.77 and 15,811.10

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Solution

The fourth proportional to 42,106.94, 63,151.77 and 15,811.10 is: 23,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106.94 : 63,151.77 = 15,811.10 : x
  2. Step 2: Convert to fraction form
    42,106.94/63,151.77 = 15,811.10/x
  3. Step 3: Cross multiply
    42,106.94x = 63,151.77 × 15,811.10
  4. Step 4: Simplify right side
    42,106.94x = 998,498,950.65
  5. Step 5: Solve for x
    x = 998,498,950.65/42,106.94
  6. Step 6: Final answer
    x = 23,713.41

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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.