Home / 42,519.09-63,776.07-15,859.83

Finding the Fourth Proportional to 42,519.09, 63,776.07 and 15,859.83

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Solution

The fourth proportional to 42,519.09, 63,776.07 and 15,859.83 is: 23,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.09 : 63,776.07 = 15,859.83 : x
  2. Step 2: Convert to fraction form
    42,519.09/63,776.07 = 15,859.83/x
  3. Step 3: Cross multiply
    42,519.09x = 63,776.07 × 15,859.83
  4. Step 4: Simplify right side
    42,519.09x = 1,011,477,628.27
  5. Step 5: Solve for x
    x = 1,011,477,628.27/42,519.09
  6. Step 6: Final answer
    x = 23,788.79

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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.